Make CI comment build links on its commits in master

Author: Keavon

.github/workflows/build-dev-and-ci.yml

@@ -72,6 +72,17 @@ jobs:
           projectName: graphite-dev
           directory: frontend/dist
 
+      - name: 💬 Comment build link
+        uses: actions/github-script@v6
+        with:
+          script: |
+            github.rest.repos.createCommitComment({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              commit_sha: github.sha,
+              body: '| 📦 **Build Complete** |\n|-|\n| [${{ steps.cloudflare.outputs.url }}](${{ steps.cloudflare.outputs.url }}) |'
+            })
+
       - name: 👕 Lint Graphite web formatting
         env:
           NODE_ENV: production