Add GitHub Workflow

.github/workflows/auto-comment-issue.yml

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+name: Issue Opened and Closed Comment
+
+on:
+  issues:
+    types: [opened, closed]
+
+jobs:
+  comment-on-issue:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Check out the repository
+      uses: actions/checkout@v2
+
+    - name: Comment on Issue Opened
+      if: ${{ github.event.action == 'opened' }}
+      uses: actions-ecosystem/action-create-comment@v1
+      with:
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        issue_number: ${{ github.event.issue.number }}
+        body: |
+          Thanks for opening this issue! We appreciate your contribution. Please make sure you’ve provided all the necessary details and screenshots, and don't forget to follow our [Guidelines](https://github.com/OWNER/REPO/CONTRIBUTING.md) and Code of Conduct. Happy coding! 🚀
+    - name: Comment on Issue Closed
+      if: ${{ github.event.action == 'closed' }}
+      uses: actions-ecosystem/action-create-comment@v1
+      with:
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        issue_number: ${{ github.event.issue.number }}
+        body: |
+          This issue has been successfully closed. Thank you for your contribution and helping us improve the project! If you have any more ideas or run into other issues, feel free to open a new one. Happy coding! 🚀

.github/workflows/auto-label.yml

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+name: Auto-label Issues and Pull Requests
+
+on:
+  issues:
+    types: [opened]
+  pull_request:
+    types: [opened]
+
+jobs:
+  add-labels:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Check out the repository
+      uses: actions/checkout@v2
+
+    - name: Add Labels to Issue or Pull Request
+      uses: actions-ecosystem/action-add-labels@v1
+      with:
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        labels: "gssoc-ext, hacktoberfest-accepted"
+        issue_number: ${{ github.event.issue.number || github.event.pull_request.number }}

.github/workflows/detect-duplicate.yml

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+name: Duplicate Issue Detection
+
+on:
+  issues:
+    types: [opened]
+
+jobs:
+  detect-duplicate:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Check out the repository
+      uses: actions/checkout@v2
+
+    - name: Run Duplicate Issue Checker
+      uses: ahmadnassri/action-similar-issue@v1
+      id: duplicate-check
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        min-confidence: 0.8  # Confidence level for similarity (80%)
+
+    - name: Handle Duplicate Issues
+      if: steps.duplicate-check.outputs.similar == 'true'
+      run: |
+        gh issue close ${{ github.event.issue.number }} -c "Duplicate issue detected. Please refer to #${{ steps.duplicate-check.outputs.duplicate_issue_number }}."

.github/workflows/greeting-new-issue.yml

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+name: Greetings
+
+on: [pull_request_target, issues]
+
+jobs:
+  greeting:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+    steps:
+    - uses: actions/first-interaction@v1
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        issue-message: "Hi there! Thanks for opening this issue. We appreciate your contribution to this open-source project. We aim to respond or assign your issue as soon as possible. Stay awesome!"