fix links

Author: jph00

nbs/tutorials/best_practices.ipynb

@@ -104,7 +104,7 @@
    "id": "dedb473d",
    "metadata": {},
    "source": [
-    "The title will also be used to reference your page in the sidebar. You can also optionally add [frontmatter](/api/frontmatter.ipynb) to this cell to customize nbdev and Quarto."
+    "The title will also be used to reference your page in the sidebar. You can also optionally add [frontmatter](/api/09_frontmatter.ipynb) to this cell to customize nbdev and Quarto."
    ]
   },
   {
@@ -151,7 +151,7 @@
     "Here are a few examples to get you started:\n",
     "\n",
     "- fastai's documentation makes extensive use of code examples, plots, images, and tables, for example, the [computer vision intro](https://docs.fast.ai/tutorial.vision.html)\n",
-    "- [`nbdev.release`](/api/release.ipynb) opens with a terminal screencast demo in SVG format created with [asciinema](https://asciinema.org/) and [svg-term-cli](https://github.com/marionebl/svg-term-cli)\n",
+    "- [`nbdev.release`](/api/18_release.ipynb) opens with a terminal screencast demo in SVG format created with [asciinema](https://asciinema.org/) and [svg-term-cli](https://github.com/marionebl/svg-term-cli)\n",
     "- The [documentation explanation](/explanations/docs.ipynb#overview) describes a complex data pipeline using a [Mermaid diagram](https://quarto.org/docs/authoring/diagrams.html)\n",
     "- The [directives explanation](/explanations/directives.ipynb) showcases all of nbdev's directives with executable examples in call-out cards (and makes great use of emojis too!)\n",
     "- [RDKit](https://www.rdkit.org/docs/Cookbook.html#drawing-molecules-jupyter) renders beautiful molecule diagrams"
@@ -393,7 +393,7 @@
    "id": "12ce67f8",
    "metadata": {},
    "source": [
-    "If you surround a symbol with backticks, nbdev will automatically link to that symbol's reference page. We call these [doclinks](/api/doclinks.ipynb)."
+    "If you surround a symbol with backticks, nbdev will automatically link to that symbol's reference page. We call these [doclinks](/api/05_doclinks.ipynb)."
    ]
   },
   {

nbs/tutorials/tutorial.ipynb

@@ -730,7 +730,7 @@
    "source": [
     "Let's explain what these special cells means:\n",
     "\n",
-    "- The first is a markdown cell with nbdev's markdown _frontmatter_ syntax that defines notebook metadata used by Quarto, our documentation engine (see the [frontmatter](/api/frontmatter.ipynb) reference page for more). It contains:\n",
+    "- The first is a markdown cell with nbdev's markdown _frontmatter_ syntax that defines notebook metadata used by Quarto, our documentation engine (see the [frontmatter](/api/09_frontmatter.ipynb) reference page for more). It contains:\n",
     "    - H1 header (\"core\") -- defining the page title\n",
     "    - Quote (\"Fill in a module description here\") -- defining the page description\n",
     "- The second is a code cell with a _directive_ `default_exp` which decides which module this notebook will export to (see the [Directives](/explanations/directives.ipynb) explanation for more). Currently, it exports to the `core` module."