feat: Add the ability redirect to moved files.

* Add the conf to generate redirects based on changes between a branch
  and master.

* Add a CI check so we don't miss files that got moved around.

.github/workflows/ci.yml

@@ -0,0 +1,35 @@
+name: CI
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches:
+    - '**'
+
+jobs:
+  check_for_moved_files:
+    name:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-20.04]
+        python-version: ['3.8']
+
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        fetch-depth: 0
+    - name: setup python
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Install pip
+      run: pip install -r requirements/pip.txt
+
+    - name: Install Dependencies
+      run: pip install -r requirements/base.txt
+
+    - name: Run Rediraffe Check
+      run: make check_redirects

Makefile

@@ -248,3 +248,11 @@ requirements:
 
 dev-requirements:
 	pip install -r requirements/dev.txt
+
+update_redirects:
+	# If files got moved there should be a redirect in redirects.txt
+	sphinx-build -b rediraffewritediff oeps $(BUILDDIR)
+
+check_redirects:
+	# Check to make sure that any files that got moved have a redirect in redirects.txt
+	sphinx-build -b rediraffecheckdiff oeps $(BUILDDIR)