Create slack-on-issue.yml workflow added

Send slack notifications to bunq staff on new issues

Author: two-trick-pony-NL

.github/workflows/slack-on-issue.yml

@@ -0,0 +1,52 @@
+name: Notify Slack on New Issue or PR
+
+on:
+  issues:
+    types: [opened]
+  pull_request:
+    types: [opened]
+
+jobs:
+  notify:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Send Slack notification
+        run: |
+          if [[ "${{ github.event_name }}" == "issues" ]]; then
+            TYPE="Issue"
+            TITLE="${{ github.event.issue.title }}"
+            URL="${{ github.event.issue.html_url }}"
+            USER="${{ github.event.issue.user.login }}"
+          else
+            TYPE="Pull Request"
+            TITLE="${{ github.event.pull_request.title }}"
+            URL="${{ github.event.pull_request.html_url }}"
+            USER="${{ github.event.pull_request.user.login }}"
+          fi
+
+          PAYLOAD=$(jq -n \
+            --arg type "$TYPE" \
+            --arg title "$TITLE" \
+            --arg url "$URL" \
+            --arg user "$USER" \
+            '{
+              text: "*New GitHub \($type)* :sparkles:",
+              attachments: [
+                {
+                  color: "#36a64f",
+                  title: $title,
+                  title_link: $url,
+                  fields: [
+                    {
+                      title: "Author",
+                      value: $user,
+                      short: true
+                    }
+                  ]
+                }
+              ]
+            }')
+
+          curl -X POST -H 'Content-type: application/json' --data "$PAYLOAD" $SLACK_WEBHOOK_URL
+        env:
+          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}