- Implemented organization creation, editing, and activity management in orgs.php.
- Added safe path segment function to sanitize input.
- Included file upload handling for activity photos.
- Created a new logo image for the application.
- Created a new file `diario.php` to manage and display student diaries.
- Implemented user permission checks to restrict access to docentes.
- Added functionality to list students and their diary entries based on selected aulario.
- Included validation for directory paths and error handling for missing data.
- Updated images `alumnos.png` and `yo.png` in the static assets.
