basic flag support

migrations/1_create_tables.up.sql

@@ -8,10 +8,16 @@ CREATE TABLE gamemodes (
     name TEXT NOT NULL
 );
 
+CREATE TABLE flags (
+	server_ip TEXT PRIMARY KEY,
+	flag VARCHAR(2) NULL DEFAULT NULL,
+);
+
 CREATE TABLE servers (
     id UUID PRIMARY KEY,
     region_id UUID NOT NULL REFERENCES regions(id) ON DELETE CASCADE,
     gamemode_id UUID NOT NULL REFERENCES gamemodes(id) ON DELETE CASCADE,
+    server_id UUID NOT NULL REFERENCES flags(server_ip) ON DELETE CASCADE,
     app_id INT NOT NULL,
     server_ip TEXT NOT NULL,
     name TEXT NOT NULL,