init dart api server with mysql connection

pubspec.yaml

@@ -0,0 +1,16 @@
+name: mess_api
+description: A sample command-line application.
+version: 1.0.0
+# repository: https://github.com/my_org/my_repo
+
+environment:
+  sdk: ^3.3.4
+
+# Add regular dependencies here.
+dependencies:
+  mysql1: ^0.20.0
+  # path: ^1.8.0
+
+dev_dependencies:
+  lints: ^3.0.0
+  test: ^1.24.0