feat: add annotation types management system

- Created annotation_types table with name, display_name, color, category, icon
- Implemented CRUD API endpoints for annotation types management
- Built annotation types management UI page at /annotation-types
- Updated Toolbox component to dynamically load and display annotation types
- Updated CandleChart component to use dynamic annotation types for markers
- Added seed functionality for default types (break_up, break_down, line)
- Cleaned up duplicate migration files

drizzle/meta/_journal.json

@@ -8,6 +8,13 @@
       "when": 1770907611962,
       "tag": "0000_goofy_captain_midlands",
       "breakpoints": true
+    },
+    {
+      "idx": 1,
+      "version": "6",
+      "when": 1770915891699,
+      "tag": "0001_sticky_shinko_yamashiro",
+      "breakpoints": true
     }
   ]
 }