add typescript support

improve entities and services

Author: v-rudkovskiy

.babelrc

@@ -0,0 +1,8 @@
+{
+  "semi": true,
+  "singleQuote": true,
+  "trailingComma": "all",
+  "bracketSpacing": true,
+  "arrowParens": "always",
+  "printWidth": 120
+}