Added github action for greeting and labeller

.github/issues_labeler.yml

@@ -0,0 +1,32 @@
+APIs:
+  - "(api|APIs|apis|API|APIS)"
+BASH:
+  - "(Bash|bash|BASH)"
+javascript:
+  - "(JavaScript|JAVASCRIPT|Javascript|javascript|JS|js|Js)"
+python:
+  - "(Python|PYTHON|python)"
+enhancement:
+  - "(enhancement|Enhancement|enhance)"
+difficulty-easy:
+  - "(Easy|easy)"  
+difficulty-medium:
+  - "(Medium|medium)"
+difficulty-hard:
+  - "(Hard|hard)"
+git:
+  - "(Git|git|GIT)"
+github-actions:
+  - "(GitHub actions|GIT actions|github actions)"
+hacktoberfest:
+  - "(hacktoberfest|Hacktoberfest|Hacktober fest|Hacktoberfest2020)"
+bug:
+  - "(bug|Bug|BUG)"  
+up-for-grab:
+  - "(up for grab)"  
+urgent:
+  - "(urgent|URGENT|Urgent)"  
+documentation:
+  - "(documentation|Documentation)"
+no-Code:
+  - "(No Code)"  

.github/workflows/greetings.yml

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+name: Greetings
+
+on: [pull_request_target, issues]
+
+jobs:
+  greeting:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/first-interaction@v1
+      with:
+        repo-token: "${{ secrets.GITHUB_TOKEN }}"
+        issue-message: 'Hey @${{ github.actor }}, congratulations!! 🎉 for creating your first issue. Wait for the admin approval now and then you can go ahead to solve the issue. Do give a star ⭐ if you like this project. '
+        pr-message: 'Congratulations!! 🎉 @${{ github.actor }} for making your first PR. Admin will review the changes soon and merge finally.😊 Do give a star ⭐ if you like this project. '

.github/workflows/issues_labeler.yml

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+name: "Issue Labeler"
+on:
+  issues:
+    types: [opened, edited]
+
+jobs:
+  triage:
+    name: Autmomate Issue
+    runs-on: ubuntu-latest
+    steps:
+      - uses: github/issue-labeler@v2.0
+        with:
+          repo-token: "${{ secrets.GITHUB_TOKEN }}"
+          configuration-path: .github/issues_labeler.yml
+          enable-versioned-regex: 0