feat(role): implement CRUD actions with permissions

[Lapotor]

Add RoleController for listing, showing, creating, updating, and deleting roles.
Assign the following permissions:

• index(): show-roles
• store(): create-roles
• show(): show-roles
• update(): update-roles
• destroy(): delete-roles

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Closes:

• Close Implement GET /roles Endpoint for retrieve all availble roles #15
• Close Implement POST /roles Endpoint for adding a role #16
• Close Implement GET /roles/{id} Endpoint for retrieving a role #17
• Close Implement PUT /roles/{id} Endpoint for updating a role #18
• Close Implement DELETE /roles/{id} Endpoint for deleting a role #19