Add quality workflows

Author: lkostrowski

.github/workflows/build.yml

@@ -0,0 +1,31 @@
+name: Build
+permissions:
+  contents: read
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@fe02b34f77f8bc703788d5817da081398fad5dd2 # v4.0.0
+      - uses: actions/setup-node@v4
+        with:
+          node-version-file: "package.json"
+          cache: "pnpm"
+
+      - name: Install deps
+        run: pnpm install
+
+      - name: Generate GraphQL types
+        run: pnpm run generate
+
+      - name: Build
+        run: pnpm run build

.github/workflows/knip.yml

@@ -0,0 +1,65 @@
+name: Quality
+permissions:
+  contents: read
+  pull-requests: write
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  knip:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@fe02b34f77f8bc703788d5817da081398fad5dd2 # v4.0.0
+      - uses: actions/setup-node@v4
+        with:
+          node-version-file: "package.json"
+          cache: "pnpm"
+
+      - name: Install deps
+        run: pnpm install
+
+      - name: Knip for unused files, dependencies and exports
+        run: pnpm run knip
+
+  graphql-lint-unused:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@fe02b34f77f8bc703788d5817da081398fad5dd2 # v4.0.0
+      - uses: actions/setup-node@v4
+        with:
+          node-version-file: "package.json"
+          cache: "pnpm"
+
+      - name: Install deps
+        run: pnpm install
+
+      - name: Run graphql-lint-unused
+        id: graphql-lint
+        continue-on-error: true
+        run: |
+          OUTPUT=$(pnpm run graphql-lint-unused 2>&1) || true
+          echo "$OUTPUT"
+          EOF=$(dd if=/dev/urandom bs=15 count=1 status=none | base64)
+          echo "result<<$EOF" >> "$GITHUB_OUTPUT"
+          echo "$OUTPUT" >> "$GITHUB_OUTPUT"
+          echo "$EOF" >> "$GITHUB_OUTPUT"
+
+      - name: Comment PR with results
+        uses: peter-evans/create-or-update-comment@v4
+        with:
+          issue-number: ${{ github.event.pull_request.number }}
+          body: |
+            ## GraphQL Unused Fields Report
+
+            ```
+            ${{ steps.graphql-lint.outputs.result }}
+            ```
+          comment-tag: graphql-lint-unused