feat: add basic website

Signed-off-by: kjuulh <contact@kjuulh.io>

.env.example

@@ -0,0 +1,8 @@
+# Forest server gRPC endpoint
+FOREST_SERVER_URL=http://localhost:4040
+
+# HTTP port (default: 3000)
+# PORT=3001
+
+# PostgreSQL connection (optional - omit for in-memory sessions)
+# DATABASE_URL=postgresql://forageuser:foragepassword@localhost:5432/forage