Feature: Implements Repository Management Functionality for GitHub Actions

.github/workflows/gh-repo-create.yml

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+name: Create Repository
+
+on:
+  workflow_dispatch:
+    inputs:
+      owner_name:
+        description: 'Github repo owner name.'
+        required: true
+        default: 'github'
+      new_repo_name:
+        description: 'Github new repo name.'
+        required: false
+        default: 'new-repo'
+      new_repo_description:
+        description: 'Github repo description.'
+        required: false
+        default: 'Some description'
+
+jobs:
+  create_repository:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Create a new repo
+        id: create_new_repo 
+        env:
+          REPO_OWNER_NAME: ${{ github.event.inputs.owner_name }}
+          NEW_REPO_NAME: ${{ github.event.inputs.new_repo_name }}
+          NEW_REPO_DESCRIPTION: ${{ github.event.inputs.new_repo_description }}
+          GH_TOKEN: ${{ secrets.GH_TOKEN }}
+        run: |
+          if gh repo create "${REPO_OWNER_NAME}/${NEW_REPO_NAME}" \
+            --description "$NEW_REPO_DESCRIPTION" \
+            --private; then
+            echo "::notice::Repository '$NEW_REPO_NAME' created successfully!"
+            exit 0
+          else
+            echo "::error::Failed to create repository '$NEW_REPO_NAME'."
+            exit 1
+          fi

.github/workflows/gh-repo-delete.yml

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+name: Delete Repository
+
+on:
+  workflow_dispatch:
+    inputs:
+      owner_name:
+        description: 'Github repo owner name.'
+        required: true
+        default: 'github'
+      repo_name:
+        description: 'Github new repo name.'
+        required: false
+        default: 'new-repo'
+
+jobs:
+  delete_repository:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Delete a new repo
+        id: delete_repo 
+        env:
+          REPO_OWNER_NAME: ${{ github.event.inputs.owner_name }}
+          REPO_NAME: ${{ github.event.inputs.repo_name }}
+          GH_TOKEN: ${{ secrets.GH_TOKEN }}
+        run: |
+          if gh repo delete "${REPO_OWNER_NAME}/${REPO_NAME}" \
+            --yes; then
+            echo "::notice::Repository '$REPO_NAME' deleted successfully!"
+            exit 0
+          else
+            echo "::error::Failed to create repository '$NEW_REPO_NAME'."
+            exit 1
+          fi

.github/workflows/gh-repo-list-save.yml

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+name: List Repositories and Save
+
+on:
+  workflow_dispatch:
+    inputs:
+      owner_name:
+        description: 'Github repo owner name.'
+        required: true
+        default: 'github'
+      limit_output:
+        description: 'Github repo owner name.'
+        required: false
+        default: '100'
+
+jobs:
+  list_repos:
+    runs-on: ubuntu-latest
+    steps:
+      - name: List Repositories
+        run: gh repo list ${{ github.event.inputs.owner_name }} --limit ${{ github.event.inputs.limit_output }} > repositories.txt
+        env:
+          GH_TOKEN: ${{ secrets.GH_TOKEN }}
+
+      - name: Save file as artefact
+        uses: actions/upload-artifact@v4
+        with:
+          name: repositories-list
+          path: repositories.txt