Added tags table
Impl tags adapter
Added library project to git
Fixed start screen
Refactoring step 1
Refactoring step 2
Refactoring step 3
Fixed FC after open categories
Fixed getAllItems method
Refactoring step 4
Refactoring step 5
Delete redundant methods
Refactoring step 6
Refactoring step 7
Fixed interfacses
Refactoring step 8
Refactoring step 9
Move items to items package
Refactoring step 10
Create preferences class