feat: Add wiki integration to task management

- Implemented a multi-select dropdown for associating tasks with wiki entries in the task edit form.
- Enhanced task popup to display related wiki entries with visibility controls based on user permissions.
- Updated the wiki main view to support bulk actions for categories, including deletion and search functionality.
- Created a new database migration for establishing many-to-many relationships between tasks and wiki entries.
- Improved styling for wiki components to enhance user experience.
- Added a new AGENTS.md file to outline communication and change management protocols.

AGENTS.md

@@ -0,0 +1,10 @@
+# AGENTS.md
+
+## Sposób pracy
+- Pisz do mnie po polsku, zwięźle i krótko, ale merytorycznie
+
+## Wprowadzanie zmian
+- Przeanalizuj wprowadzone zadanie
+- Jeżeli masz jakieś wątpliwości pytaj
+- Przedstaw plan
+- Po akceptacji wdróź plan