feat: Enhance reference validation and add support for Handle URLs

- Updated reference validation to handle various identifier types including DOI, ISBN, ISSN, URN, and Handle.
- Improved regex patterns for DOI and Handle validation to correctly extract and validate identifiers from URLs.
- Added asynchronous checks to verify the existence of DOI and Handle URLs.
- Added asynchronous checks to verify the existence of  ISBNs
- Included detailed comments explaining the regex patterns and validation logic.
- Adjusted the validation logic to handle any URL prefix for Handle identifiers.
- Ensured that the Handle format `handle/20.500.12854/36478` is correctly validated.
- Updated the CI workflow to trigger on push and pull request events.

.gitea/workflows/ci.yaml

@@ -95,3 +95,30 @@ jobs:
             #   uses: coverallsapp/github-action@master
             #   with:
             #       github-token: ${{ secrets.GITHUB_TOKEN }}
+
+---
+
+name: CI
+
+on:
+  push:
+    branches:
+      - feat/checkReferenceType
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: '14'
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Run tests
+        run: npx japa --group "ReferenceValidation"