Add Danger

First pass at using Danger to add PR comments when awesomebot finds bad
links.

Signed-off-by: Joe Block <[email protected]>

.github/workflows/danger.yml

@@ -0,0 +1,30 @@
+name: Danger Checks
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  danger:
+    runs-on: ubuntu-latest
+    if: github.event_name  == 'pull_request' # if only run pull request when multiple trigger workflow
+    steps:
+    - uses: actions/checkout@v4
+    - uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: '2.6'
+    - uses: actions/cache@v3
+      with:
+        path: vendor/bundle
+        key: ${{ runner.os }}-gems-${{ hashFiles('Gemfile') }} # change your gemfile path
+        restore-keys: |
+          ${{ runner.os }}-gems-
+    - uses: MeilCli/danger-action@v5
+      with:
+        plugins_file: 'Gemfile'
+        install_path: 'vendor/bundle'
+        danger_file: 'Dangerfile'
+        danger_id: 'danger-pr'
+      env:
+        DANGER_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}

Dangerfile

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+# Check links
+require 'json'
+results = File.read 'ab-results-README.md-markdown-table.json'
+j = JSON.parse results
+if j['error']==true
+  fail j['title']
+  markdown j['message']
+end