started development

backend/sql/functions/server.surql

@@ -0,0 +1,11 @@
+DEFINE FUNCTION server::join($server_id: uuid, $entity_id: uuid) {
+
+    LET $user = (SELECT displayname FROM Entity WHERE id = $entity_id)[0];
+
+    CREATE HasServer SET
+        in = Entity:entity_id,
+        out = Server:server_id,
+        nickname = $user.displayname,
+        permissions = [],
+        joined = time::now(),
+}