add README

README.md

@@ -0,0 +1,19 @@
+# Description
+
+This is a minimal API done using Koa and Redis for counting clicks.
+
+It exposes just 2 calls:
+
+* `PUT /click` - Increments the counter by 1 and returns current count.
+* `GET /clicks` - Returns the JSON with clicks count.
+
+# Usage
+
+For development use:
+```
+npm run start
+```
+For building use:
+```
+npm run build
+```

src/index.js

@@ -17,11 +17,11 @@ const counter = new Counter(redis)
 
 router.put('/click', async ctx => {
     counter.incr()
-    ctx.body = { 'counter': await counter.state() }
+    ctx.body = { 'count': await counter.state() }
 });
 
 router.get('/clicks', async ctx => {
-    ctx.body = { 'counter': await counter.state() }
+    ctx.body = { 'count': await counter.state() }
 });
 
 app.use(JSON({pretty: true}))