Add precious workflow for non-Go linting

- Rename lint.yml to golangci-lint.yml for clarity
- Add precious.yml to run precious for markdown formatting

The golangci-lint action handles Go linting, while precious runs
other configured linters (currently prettier for markdown).

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: horgh

.github/workflows/lint.yml .github/workflows/golangci-lint.yml.github/workflows/lint.yml renamed to .github/workflows/golangci-lint.yml

@@ -16,6 +16,7 @@ jobs:
       - uses: actions/checkout@v6
         with:
           persist-credentials: false
+
       - name: golangci-lint
         uses: golangci/golangci-lint-action@1e7e51e771db61008b38414a730f564565cf7c20 # 9.2.0
         with:

.github/workflows/precious.yml

@@ -0,0 +1,28 @@
+name: precious
+
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron: '5 5 * * SUN'
+
+permissions: {}
+
+jobs:
+  precious:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+        with:
+          persist-credentials: false
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: "24"
+
+      - name: Install precious
+        run: |
+          curl -sL https://github.com/houseabsolute/precious/releases/download/v0.10.1/precious-Linux-musl-x86_64.tar.gz | tar xz -C /usr/local/bin
+
+      - name: Run precious
+        run: precious lint --command prettier-markdown --all