[FEATURE] Create migration file for teachers

[hamidsultanzadeh]

The table will have the following columns: id, user_id (foreign key to users table), is_deleted

The last version of the migration file is commented on here #58 name: teachers_table

don't forget to put the last version on #58

Source branch: main

[aytiqaqash]

• [x] create 1.1.7-create-teachers-table.xml
• [x] include the file to changelog-1.0.xml