feat: adding chatRoomId for groupChats for later use

gemeinsamforschen/src/scripts/dbschema/fltrail.sql

@@ -13,8 +13,9 @@ CREATE TABLE if not exists `projects` (
 
 
 CREATE TABLE if not exists `groups` (
-  `id` int NOT NULL AUTO_INCREMENT,
-  `projectId` varchar(400) NOT NULL,
+  `id`         int          NOT NULL AUTO_INCREMENT,
+  `projectId`  varchar(400) NOT NULL,
+  `chatRoomId` varchar(400) NOT NULL,
    PRIMARY KEY (id)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;