remove inverse relation

fix timestamps

removed console and change fk names

modified migrations to set field names with underscore snackcase only, apis to syn portfolio, buildings and units data, removed index.js from model, added index.ts file in src/model task - #7658,#7659, #7660

create interface folde and move inerfaces into it

add unique constraint for pw_id for all the property tables

update reference key from id -> pw_id

add inverse relation of pwunits in pwbuldings and pwportfolio models

create pwbuilding model