ci: Welcome new users

Introduces a new feature aimed at enhancing the onboarding experience for new users by automatically generating a welcoming comment on their first issue or pull request (PR). 

Doc: https://github.com/wow-actions/welcome

.github/workflows/welcome.yml

@@ -0,0 +1,54 @@
+name: Welcome and Please Star This Repository <3
+on:
+  pull_request_target:
+    types: [opened, closed]
+  issues:
+    types: [opened]
+permissions:
+  contents: read  # Set permissions as read-only by default at the top level
+jobs:
+  run:
+    permissions:
+      issues: write  # for wow-actions/welcome to comment on issues
+      pull-requests: write  # wow-actions/welcome to comment on PR
+    # Do not run on bots and maintainers
+    if: ${{ !contains(fromJson('["dependabot[bot]", "dependabot-preview[bot]", "allcontributors[bot]"]'), github.actor) 
+    runs-on: ubuntu-latest
+    steps:
+      - uses: wow-actions/[email protected]
+        with:
+          FIRST_ISSUE_REACTIONS: '+1, hooray, rocket, heart
+
+          FIRST_ISSUE: |
+            👋 @{{ author }}
+            
+             Welcome to the SlimPlanet Community! ❤️
+             
+             We are thrilled to have you with us.
+
+             Thanks for opening your first issue here! Be sure to follow the issue template!
+          
+          FIRST_PR_REACTIONS: '+1, hooray, rocket, heart'
+
+          FIRST_PR: |
+            👋 @{{ author }}
+
+            Welcome to the SlimPlanet Community! ❤️
+            
+            Thanks for opening this pull request! Please follow the [contributing guidelines](https://github.com/SlimPlanet/SlimFaas/blob/main/CONTRIBUTING.md).
+
+          FIRST_PR_MERGED: |
+            🎉 @{{ author }}
+
+            Welcome to the SlimPlanet Community! ❤️
+            
+            Congrats on merging your first pull request! 
+
+            Kudos and please keep going, we need you 🌍
+
+          STAR_MESSAGE: |
+
+            📢 If you like SlimFaas, please ⭐ star ⭐ our repo to support it!
+            
+            🙏 It really helps the project to gain momentum and credibility.
+