Update changelog and increment version to 1.6.1 for Google OAuth integration

Author: Harshdev625

CHANGELOG.md

@@ -2,6 +2,25 @@
 
 All notable changes to TimeMachine will be documented in this file.
 
+## [1.6.1] - 2025-10-13
+
+### Added
+- Google OAuth integration for seamless sign-in experience
+- "Continue with Google" button in authentication flow
+- Enhanced backend Google OAuth endpoint with proper token verification
+- Chrome Identity API integration for secure Google authentication
+
+### Improved
+- Authentication flow now supports both email/password and Google OAuth
+- Token storage and management for Google-authenticated users
+- Backend user creation for Google OAuth users with proper defaults
+- Error handling and user feedback for Google authentication failures
+
+### Security
+- Google ID token validation using official Google Auth library
+- Secure token exchange between extension and backend
+- Proper OAuth2 client configuration in manifest
+
 ## [1.6.0]
 
 ### Added

extension/manifest.json

@@ -1,7 +1,7 @@
 {
   "manifest_version": 3,
   "name": "TimeMachine",
-  "version": "1.6.0",
+  "version": "1.6.1",
   "homepage_url": "https://harshdev625.github.io/TimeMachine/",
   "description": "Track your browsing habits and boost productivity with insightful stats.",
   "permissions": [