feat: Enhance campaign terms management with keyword addition and match type change functionality

- Added a toolbar for adding keywords in the campaign terms view.
- Implemented match type change functionality with a confirmation dialog.
- Added delete functionality for keywords with confirmation.
- Updated styles for new buttons and icons in the campaign terms view.
- Enhanced product view with warning icons for product alerts and corresponding modal display.
- Updated product table to include a new column for warnings and adjusted column visibility settings.
- Documented project overview, code style conventions, suggested commands, and task completion checklist.

.serena/memories/suggested_commands.md

@@ -0,0 +1,19 @@
+# Suggested Commands
+
+## Database Migrations
+```bash
+php install.php          # Run migrations
+php install.php --force  # Force re-run all
+```
+
+## System Utils (Windows/Git Bash)
+- `git` - version control
+- `ls` - list files (Git Bash)
+- `grep` - search (Git Bash)
+- `find` - find files (Git Bash)
+
+## No build/test/lint commands
+- No Composer, no package.json
+- SASS compiled by VS Code Live Sass Compiler
+- Deployment via FTP-Kr extension (auto-upload)
+- No automated test suite