chore: add docs checking thing (#88)

* chore: add doc checking thing

* testing

* Revert "testing"

This reverts commit ae0618d89f.

.github/workflows/docs.yml

@@ -0,0 +1,40 @@
+name: docs
+
+on:
+  push:
+    branches:
+    - main
+    - develop
+  pull_request:
+
+jobs:
+  docs:
+    name: linters
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Task
+        uses: arduino/setup-task@v1
+        with:
+          version: 3.x
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Install NeoVim
+        uses: rhysd/action-setup-vim@v1
+        with:
+          neovim: true
+          version: ${{ matrix.version }}
+
+      - name: Cache .tests
+        uses: actions/cache@v4
+        with:
+          path: |
+            ${{ github.workspace }}/.tests
+          key: ${{ runner.os }}-tests-${{ hashFiles('${{ github.workspace }}/.tests') }}
+
+      - name: Generate docs
+        run: task docgen
+
+      - name: Check docs diff
+        run: exit $(git status --porcelain doc | wc -l | tr -d " ")