ci: skip pipeline for documentation-only changes

Add paths-ignore filter to skip CI/CD when only documentation files
are changed (docs/**, *.md, CHANGELOG.md, LICENSE, .gitignore).

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: toto-castaldi

.github/workflows/ci-deploy.yml

@@ -3,8 +3,20 @@ name: CI/CD
 on:
   push:
     branches: [main, develop]
+    paths-ignore:
+      - 'docs/**'
+      - '*.md'
+      - 'CHANGELOG.md'
+      - 'LICENSE'
+      - '.gitignore'
   pull_request:
     branches: [main, develop]
+    paths-ignore:
+      - 'docs/**'
+      - '*.md'
+      - 'CHANGELOG.md'
+      - 'LICENSE'
+      - '.gitignore'
 
 jobs:
   # ============================================