Implements social media authentication options.

This commit adds support for authenticating with Google and GitHub in addition to the existing authentication mechanism. This enhancement allows users to login using their social media accounts, providing a more convenient and secure experience. The changes include adding new environment variables and registering the authentication routes.

Author: sensasi-delight

.env.example

@@ -1,3 +1,9 @@
 DATABASE_URL=
 BETTER_AUTH_SECRET=
-BETTER_AUTH_URL=
+BETTER_AUTH_URL=
+
+GOOGLE_CLIENT_ID=
+GOOGLE_CLIENT_SECRET=
+
+GITHUB_CLIENT_ID=
+GITHUB_CLIENT_SECRET=