* feat: make Student Attendance doctype submittable
* feat: add attendance related fields in Student Leave Application
* feat: update Attendance records on Leave Application submission
* refactor: better error messages and ORM queries
* fix: show present only for leave applications with mark_as_present enabled in attendance reports
* test: Student Leave Application
* fix: filter for attendance records
* fix: codacy issues
* renaming for the docs, demo data and patch
* changes in the doctypes and reports
* rename the config file
* Few name changes in messages and license
* rename the school settings to education settings
* changes in the documentation
* added the setup file for the fixtures
* corrected the ui tests file path
* fix the codacy
* add the patch for renaming few doctypes and fields
* changes in the patch