Added flow to ajax calls

chapter02/package.json

@@ -15,7 +15,10 @@
     "author": "Federico Kereki",
     "license": "ISC",
     "babel": {
-        "presets": ["env", "flow"]
+        "presets": [
+            "env",
+            "flow"
+        ]
     },
     "eslintConfig": {
         "parserOptions": {
@@ -28,8 +31,14 @@
             "node": true,
             "es6": true
         },
-        "extends": ["eslint:recommended", "plugin:flowtype/recommended"],
-        "plugins": ["babel", "flowtype"],
+        "extends": [
+            "eslint:recommended",
+            "plugin:flowtype/recommended"
+        ],
+        "plugins": [
+            "babel",
+            "flowtype"
+        ],
         "rules": {
             "no-console": "off"
         }

chapter02/src/get_service_with_async_await.js

@@ -1,3 +1,5 @@
+/* @flow */
+
 const axios = require("axios");
 
 const BASE_URL = "https://weather.com/en-IN/weather/today/l/";

chapter02/src/get_service_with_promises.js

@@ -1,3 +1,5 @@
+/* @flow */
+
 const axios = require("axios");
 
 const BASE_URL = "https://weather.com/en-IN/weather/today/l/";