Auto comment on an issue and self assign the issue (#127)

* Update and rename greetings.yaml to auto-comment.yml

* Create self-assign.yml

.github/workflows/auto-comment.yml

@@ -0,0 +1,22 @@
+name: Comment on opening issue!
+on:
+  issues:
+    types:
+      - opened
+
+jobs:
+  comment:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Issue Opened
+        uses: actions/github-script@v4
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            const { owner, repo, number } = context.issue;
+            const commentauthor = context.payload.issue.user.login;
+            const commentBody = `Hello @${commentauthor} Thank you for creating a new issue! 🎉 Your issue is currently under review.\nIf you would like to assign this issue to yourself, please comment with the word "self" and the issue will be assigned to you.`;
+
+            await github.issues.createComment({ owner, repo, issue_number: number, body: commentBody });
+            console.log(`Commented on the issue: ${commentBody}.`);

.github/workflows/self-assign.yml

@@ -0,0 +1,30 @@
+name: Assign Issue to Self
+
+on:
+  issue_comment:
+    types: [created]
+
+permissions:
+  issues: write  # Ensure the workflow has write permissions for issues
+
+jobs:
+  assign:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Assign issue to commenter if they comment "self"
+      uses: actions/github-script@v6
+      with:
+        script: |
+          const issueNumber = context.issue.number;
+          const commentBody = context.payload.comment.body.trim().toLowerCase();
+          const commenter = context.payload.comment.user.login;
+
+          if (commentBody === 'self') {
+            await github.rest.issues.addAssignees({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: issueNumber,
+              assignees: [commenter]
+            });
+          }