Add _config.yml updates for quantecon-book-theme 0.15.1 (#156)

* ⬆️ Bump quantecon-book-theme from 0.10.0 to 0.15.1

Bumps [quantecon-book-theme](https://github.com/QuantEcon/quantecon-book-theme) from 0.10.0 to 0.15.1.
- [Release notes](https://github.com/QuantEcon/quantecon-book-theme/releases)
- [Changelog](https://github.com/QuantEcon/quantecon-book-theme/blob/main/CHANGELOG.md)
- [Commits](QuantEcon/quantecon-book-theme@v0.10.0...v0.15.1)

---
updated-dependencies:
- dependency-name: quantecon-book-theme
  dependency-version: 0.15.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

* Update _config.yml for quantecon-book-theme 0.15.1 compatibility

- Add path_to_docs: lectures (critical for notebook URL generation fix in 0.15.1)
- Add authors section with structured metadata
- Add parse section with myst_enable_extensions
- Add html section with baseurl
- Add nb_mime_priority_overrides for better rendering control
- Add html_static_path configuration
- Add mathjax_path for explicit CDN configuration
- Add linkcheck_ignore, suppress_warnings, nb_merge_streams
- Reorganize config structure to match lecture-python.myst reference

* Add sphinx-proof and sphinx-exercise configuration

- Add proof_minimal_theme: true for cleaner proof styling
- Add exercise_style: solution_follow_exercise for better exercise layout

* Fix incorrectly labelled exercise solutions in generators.md

- Change solution labels from ergodicity-ex-* to generators-ex-*
- The solutions were always for the generators exercises, just mislabeled
- Fixes sphinx-exercise warnings about cross-document references
- Solutions now correctly reference their exercises in the same document

* Enable full git history for git metadata features

- Add fetch-depth: 0 to checkout action
- Allows quantecon-book-theme to display last modified dates and changelog
- Git metadata features require full commit history to function

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: mmcky

.github/workflows/ci.yml

@@ -8,6 +8,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
       - name: Setup Anaconda
         uses: conda-incubator/setup-miniconda@v3
         with:

lectures/_config.yml

@@ -4,14 +4,91 @@ author: Thomas J. Sargent & John Stachurski
 logo: _static/qe-logo-large.png
 description: These lectures provides a short introduction to continuous time Markov chains designed and written by Thomas J. Sargent and John Stachurski.
 
+parse:
+  myst_enable_extensions:
+    - amsmath
+    - colon_fence
+    - deflist
+    - dollarmath
+    - html_admonition
+    - html_image
+    - linkify
+    - replacements
+    - smartquotes
+    - substitution
+
+only_build_toc_files: true
+
+execute:
+  execute_notebooks: cache
+
+bibtex_bibfiles:
+  - references.bib
+
+html:
+  baseurl: https://continuous-time-mcs.quantecon.org/
+
+latex:
+  latex_engine: "xelatex"
+  latex_documents:
+    targetname: book.tex
+
 sphinx:
+  extra_extensions:
+    - sphinx_proof
+    - sphinx_exercise
+    - sphinx_tojupyter
+
   config:
+    # false-positive links
+    linkcheck_ignore: []
+    bibtex_reference_style: author_year
+    suppress_warnings: ["mystnb.unknown_mime_type"]
+    nb_merge_streams: true
+    nb_mime_priority_overrides: [
+       # HTML
+       ['html', 'application/vnd.jupyter.widget-view+json', 10],
+       ['html', 'application/javascript', 20],
+       ['html', 'text/html', 30],
+       ['html', 'text/latex', 40],
+       ['html', 'image/svg+xml', 50],
+       ['html', 'image/png', 60],
+       ['html', 'image/jpeg', 70],
+       ['html', 'text/markdown', 80],
+       ['html', 'text/plain', 90],
+       # Jupyter Notebooks
+       ['jupyter', 'application/vnd.jupyter.widget-view+json', 10],
+       ['jupyter', 'application/javascript', 20],
+       ['jupyter', 'text/html', 30],
+       ['jupyter', 'text/latex', 40],
+       ['jupyter', 'image/svg+xml', 50],
+       ['jupyter', 'image/png', 60],
+       ['jupyter', 'image/jpeg', 70],
+       ['jupyter', 'text/markdown', 80],
+       ['jupyter', 'text/plain', 90],
+       # LaTeX
+       ['latex', 'text/latex', 10],
+       ['latex', 'application/pdf', 20],
+       ['latex', 'image/png', 30],
+       ['latex', 'image/jpeg', 40],
+       ['latex', 'text/markdown', 50],
+       ['latex', 'text/plain', 60],
+       # Link Checker
+       ['linkcheck', 'text/plain', 10],
+     ]
     html_theme: quantecon_book_theme
+    html_static_path: ['_static']
     html_theme_options:
+      authors:
+        - name: Thomas J. Sargent
+          url: http://www.tomsargent.com/
+        - name: John Stachurski
+          url: https://johnstachurski.net/
       header_organisation_url: https://quantecon.org
       header_organisation: QuantEcon
       repository_url: https://github.com/QuantEcon/continuous_time_mcs
       nb_repository_url: https://github.com/QuantEcon/continuous_time_mcs.notebooks
+      path_to_docs: lectures
       twitter: quantecon
       twitter_logo_url: https://assets.quantecon.org/img/qe-twitter-logo.png
       og_logo_url: https://assets.quantecon.org/img/qe-og-logo.png
@@ -21,7 +98,6 @@ sphinx:
         google_analytics_id: G-MVZ2FSB14W
       launch_buttons:
         colab_url: https://colab.research.google.com
-    bibtex_reference_style: author_year
     mathjax3_config:
       tex:
         macros:
@@ -39,6 +115,11 @@ sphinx:
           "lL" : "\\mathcal{L}"
           "linop" : "\\mathcal{L}(\\mathbb{B})"
           "linopell" : "\\mathcal{L}(\\ell_1)"
+    mathjax_path: https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js
+    # sphinx-proof
+    proof_minimal_theme: true
+    # sphinx-exercise
+    exercise_style: "solution_follow_exercise"
     # sphinx-tojupyter
     tojupyter_static_file_path: ["_static"]
     tojupyter_target_html: true
@@ -53,19 +134,3 @@ sphinx:
           name: python3
         file_extension: ".py"
     tojupyter_images_markdown: true
-
-  extra_extensions:
-    - sphinx_proof
-    - sphinx_exercise
-    - sphinx_tojupyter
-
-execute:
-  execute_notebooks: cache
-
-latex:
-  latex_engine: "xelatex"
-  latex_documents:
-    targetname: book.tex
-
-bibtex_bibfiles:
-  - references.bib

lectures/generators.md

@@ -432,7 +432,7 @@ example, Chapter 7 of {cite}`bobrowski2005functional`.
 Prove that {eq}`expdiffer` holds for all $A \in \linop$.
 ```
 
-```{solution} ergodicity-ex-1
+```{solution} generators-ex-1
 :class: dropdown
 
 To show the first equality, fix $t \in \RR_+$, take $h > 0$ and observe that
@@ -475,7 +475,7 @@ Using this and {eq}`czsg2`, show that, for any $g \in \BB$, the map $t \mapsto
 U_t g$ is continuous at all $t$.
 ```
 
-```{solution} ergodicity-ex-2
+```{solution} generators-ex-2
 :class: dropdown
 
 Let $(U_t)$ be an evolution semigroup satisfying {eq}`czsg2` and let
@@ -516,7 +516,7 @@ In particular, show that, for any $t_n \to t$, we have
 $\| U_{t_n} - U_t \| \to 0$  as $n \to \infty$.
 ```
 
-```{solution} ergodicity-ex-3
+```{solution} generators-ex-3
 :class: dropdown
 
 The solution is similar to that of the previous exercise.