Introduce the EXP360 activity module to embed interactive 360° content
in Moodle. This update includes:
- Database schema for the exp360 table.
- Language support for the module.
- Frontend form to create exp360 activities.
- Script to handle 360° content embedding within a modal.
- Two new PHP scripts to display and serve 360° content.
- Version and plugin initialization.
These changes allow users to seamlessly integrate and interact with
360° content within Moodle courses.