feat: added line tool functionality#25

Ayushivam22 merged 2 commits intoOPCODE-Open-Spring-Fest:mainOPCODE-Open-Spring-Fest/collab-canvas:mainfrom

Shreyanshi210205:shreyanshi_linetoolShreyanshi210205/collab-canvas:shreyanshi_linetoolCopy head branch name to clipboard