Logging in and Signing up on the client done

Tons of bug fixes too

server/.env

@@ -1,4 +0,0 @@
-DATABASE_URL=sqlite:server.db
-DOMAIN=server.realmchat.com
-SERVER_ID=tester
-PORT=5051

server/example.env

@@ -0,0 +1,4 @@
+DATABASE_URL=sqlite:server.db
+DOMAIN=
+SERVER_ID=
+PORT=5051

server/src/server.rs

@@ -127,7 +127,7 @@ impl RealmChatServer {
 	}
 	
 	async fn is_user_in_server(&self, userid: &str) -> bool {
-		let result = query!("SELECT NOT EXISTS (SELECT 1 FROM user WHERE userid = ?) AS does_exist", userid).fetch_one(&self.db_pool).await;
+		let result = query!("SELECT EXISTS (SELECT 1 FROM user WHERE userid = ?) AS does_exist", userid).fetch_one(&self.db_pool).await;
 		
 		match result {
 			Ok(record) => record.does_exist != 0,