start of work to refactor the docs to use readthedocs

This is the first pass to format the previous latex into rst. I have
done the conversion and only started to go through ensuring that
content is preserved (meaning I did not miss anything) and all the code
blocks are formatted (after the automated conversion they indeed are
not!)

Signed-off-by: vsoch <vsoch@users.noreply.github.com>

.github/workflows/docs.yaml

@@ -0,0 +1,28 @@
+
+name: Documentation
+
+on:
+  pull_request:
+    branches: [ master ]
+    paths: [ docs ]
+  workflow_dispatch:
+
+jobs:
+  Build:
+    runs-on: ubuntu-20.04
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Install dependencies
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y python3-pip
+    - name: Build
+      run: |
+        set +e
+        cd docs
+        python3 -m venv env
+        source env/bin/activate
+        pip install -r requirements.txt
+        `cd $(find env/lib -type d -name sphinxcontrib) && wget https://raw.githubusercontent.com/wpilibsuite/sphinxext-remoteliteralinclude/main/sphinxext/remoteliteralinclude.py`
+        make html

.github/workflows/libabigail.yaml

@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Build Pull Request
-      uses: actions/checkout@v3
+      uses: actions/checkout@v2.4.1
     - name: Build
       run: |
          rm -rf /code

.gitignore

@@ -126,3 +126,5 @@ cmake-build-*/
 .settings
 .pydevproject
 *__pycache__*
+docs/env
+docs/_build