O auth2 with cookie

[vd77-1]

OAuth 2.0 Integration

• Added Google and GitHub OAuth via Passport.js
• Backend callback uses setAuthCookies (httpOnly) — no ?token= in URL
• Frontend reads short-lived cookie into memory via setToken()
• No localStorage used anywhere

[vercel]

@vd77-1 is attempting to deploy a commit to the Sameer's projects Team on Vercel.

A member of the Team first needs to authorize it.

[vd77-1]

Will update by today night, there is some issues ongoing related to conflict and related to not properly rebase.