add mysql-gui new project

Author: kshashikumar

data/repositories.toml

@@ -379,6 +379,7 @@ repositories = [
   'github.com/Kong/kong',
   'github.com/krassowski/jupyterlab-lsp',
   'github.com/krishdevdb/reseter.css',
+  'github.com/kshashikumar/mysql-gui'
   'github.com/ktorio/ktor',
   'github.com/kubeapps/kubeapps',
   'github.com/kubearmor/kubearmor',