added ppa release workflow

.github/workflows/cd_ppa.yaml

@@ -0,0 +1,59 @@
+# Build and release ipinfo cli to PPA
+
+name: Push to PPA
+on:
+  push:
+    tags:
+      - 'ipinfo-*'
+
+jobs:
+  push:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Extract CLI Name and Version
+        run: |
+          # Get the tag name from the event payload
+          TAG_NAME=${{ github.ref_name }}
+
+          # Use a regular expression to extract the CLI name and version
+          if [[ $TAG_NAME =~ ^([^-]+)-([^-]+)$ ]]; then
+            CLI_NAME="${BASH_REMATCH[1]}"
+            CLI_VERSION="${BASH_REMATCH[2]}"
+
+            echo "CLI Name: $CLI_NAME"
+            echo "CLI Version: $CLI_VERSION"
+
+            # Add to github env
+            echo "CLI_NAME=$CLI_NAME" >> $GITHUB_ENV
+            echo "CLI_VERSION=$CLI_VERSION" >> $GITHUB_ENV
+          else
+            echo "Invalid tag format: $TAG_NAME"
+            echo "Tag should be of format CLI-VSN. e.g. ipinfo-1.0.0"
+            exit 1
+          fi
+
+      - name: Import GPG
+        uses: crazy-max/ghaction-import-gpg@v6
+        with:
+          gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
+          passphrase: ${{ secrets.GPG_PASSPHRASE }}
+
+      - name: Install build dependencies
+        run: sudo apt install devscripts debhelper dh-golang dput
+
+      - name: Build source package
+        run: debuild -us -uc -S -d
+
+      - name: Sign source package
+        run: |
+          cd ./..
+          debsign -k ${{ secrets.GPG_KEY_ID }} ipinfo_${{ env.CLI_VERSION }}.dsc ipinfo_${{ env.CLI_VERSION }}_source.changes
+
+      - name: Push to Launchpad
+        run: |
+          cd ./..
+          dput ppa:ipinfo/ppa ipinfo_${{ env.CLI_VERSION }}_source.changes