feat(mysql): implement the first version of the MySQL plugin package

packages/mysql/tsconfig.json

@@ -0,0 +1,8 @@
+{
+  "extends": "@emigrate/tsconfig/build.json",
+  "compilerOptions": {
+    "outDir": "dist"
+  },
+  "include": ["src"],
+  "exclude": ["node_modules", "dist"]
+}