fix documentation build

Author: dbu

.github/workflows/.editorconfig

@@ -0,0 +1,2 @@
+[*.yml]
+indent_size = 2

.github/workflows/spellcheck.yml

@@ -0,0 +1,31 @@
+name: Spellcheck
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python
+        uses: actions/setup-python@v1
+        with:
+          python-version: 3.7
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade setuptools
+          python -m pip install -r Resources/doc/requirements.txt
+      - name: Run spell check
+        run: |
+          make -C Resources/doc/ spelling
+          if [[ -s "Resources/doc/_build/spelling/output.txt" ]]; then echo "\nSpelling errors found\n" && cat "Resources/doc/_build/spelling/output.txt"; fi
+      - name: Spellcheck
+        run: |
+          if [[ -s "Resources/doc/_build/spelling/output.txt" ]]; then cat "Resources/doc/_build/spelling/output.txt"; fi
+          if [[ -s "Resources/doc/_build/spelling/output.txt" ]]; then false; fi

.readthedocs.yaml

@@ -0,0 +1,13 @@
+version: 2
+
+sphinx:
+    configuration: Resources/doc/conf.py
+
+# additional formats
+formats:
+    - pdf
+
+python:
+    version: "3.7"
+    install:
+        - requirements: Resources/doc/requirements.txt

Resources/doc/conf.py

@@ -55,7 +55,7 @@
 
 # General information about the project.
 project = 'FOSHttpCacheBundle'
-copyright = '2014-2018, David de Boer, David Buchmann'
+copyright = 'David de Boer, David Buchmann'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the

Resources/doc/requirements.txt

@@ -1,5 +1,6 @@
+sphinx==1.8.5
 git+https://github.com/fabpot/sphinx-php.git
-sphinx_rtd_theme
+sphinx-rtd-theme
 sphinxcontrib-spelling
 sphinxcontrib-phpdomain
 pyenchant