Setup CI for better PR visibility

Author: NullVoxPopuli

.github/actions/pnpm/action.yml

@@ -0,0 +1,23 @@
+name: Setup node, pnpm, and cache
+description: Setup node and install dependencies using pnpm
+runs:
+  using: "composite"
+  steps:
+    - uses: volta-cli/action@v1
+      # minimum supported Node
+      with:
+        node-version: 18.x
+    - name: Cache pnpm modules
+      uses: actions/cache@v3
+      with:
+        path: |
+          ~/.pnpm-store
+          'node_modules/'
+          'node_modules/.cache'
+        key: ${{ runner.os }}-pnpm-${{ hashFiles('**/pnpm-lock.yaml') }}
+        restore-keys: |
+          ${{ runner.os }}-pnpm-
+    - uses: pnpm/[email protected]
+      with:
+        version: 7.17.1
+        run_install: true

.github/workflows/ci.yml

@@ -0,0 +1,28 @@
+name: CI
+on:
+  pull_request:
+  push:
+    branches: [main]
+
+jobs:
+  install_dependencies:
+    name: Install Dependencies
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - uses: volta-cli/action@v1
+    - uses: ./.github/actions/pnpm
+
+
+  docs_build:
+    name: "Build Docs"
+    runs-on: ubuntu-latest
+    needs: [install_dependencies]
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ./.github/actions/pnpm
+      - run: pnpm docs:build
+
+