workflow: add issue to project

Changes to be committed:
      new file:   add-issue-to-project/add_issue_to_project.sh
      new file:   add_issue_to_project.yml

Author: ilkermeliksitki

.github/workflows/add-issue-to-project/add_issue_to_project.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+OWNER="ilkermeliksitki"
+REPO="german-dict"
+PROJECT=5
+
+echo "Syncing issues from $OWNER/$REPO into project #$PROJECT..."
+
+# get all issues in the repo
+ISSUES=$(gh issue list --repo "$OWNER/$REPO" --limit 10000 --state open --json number,url -q '.[] | {number, url}')
+
+# get all issues already in the project
+EXISTING=$(gh project item-list "$PROJECT" --owner "$OWNER" --limit 10000 --format json | jq '.items[].content.url')
+
+echo "$ISSUES" | jq -c '.' | while read -r issue; do
+  URL=$(echo "$issue" | jq -r '.url')
+  NUM=$(echo "$issue" | jq -r '.number')
+
+  if echo "$EXISTING" | grep -q "$URL"; then
+    echo "✅ Issue $URL, #$NUM already in project"
+  else
+    echo "➕ Adding issue $URL to project"
+    gh project item-add "$PROJECT" --owner "$OWNER" --url "$URL"
+  fi
+done
+
+

.github/workflows/add_issue_to_project.yml

@@ -0,0 +1,20 @@
+name: Add issue to project automation
+
+on:
+  issues:
+    types: [opened]
+  workflow_dispatch:
+
+jobs:
+  on_issue_opened:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+      
+      - name: Add issue to project
+        run: |
+          bash .github/workflows/add-issue-to-project/add_issue_to_project.sh
+        env:
+          GH_TOKEN: ${{ secrets.PERSONAL_ACCESS_TOKEN }}
+