added GET /help route (Thor would be proud)

Author: joeledwards

README.md

@@ -1,3 +1,9 @@
 # httpbin
 
-HTTP server for debugging clients
+HTTP server for debugging clients.
+
+## Run the server
+
+```shell
+$ npx @buzuli/httpbin
+```

lib/server.js

@@ -19,6 +19,23 @@ function server (options = {}) {
 
   const app = express()
 
+  const summary = 'Any route (other than GET /help) will respond with the ' +
+    'normal response (JSON body detailing the request). Query parameters ' +
+    'are used for all behavior modification.'
+
+  const params = {
+    delay: '[number] milliseconds to delay before seding a response',
+    status: '[number] HTTP status code to respond with'
+  }
+
+  app.get('/help', (req, res) => {
+    res
+      .json({
+        summary,
+        params
+      })
+  })
+
   app.use(bodyParser.json())
   app.use(bodyParser.urlencoded({extended: true}))
   app.use(bodyParser.text())

package.json

@@ -19,12 +19,12 @@
     "@buzuli/json": "^1.1.3",
     "axios": "^0.18.0",
     "body-parser": "^1.18.3",
-    "express": "^4.16.3",
+    "express": "^4.16.4",
     "log-a-log": "^6.0.0",
     "ramda": "^0.25.0",
-    "yargs": "^12.0.1"
+    "yargs": "^12.0.2"
   },
   "devDependencies": {
-    "nodemon": "^1.18.3"
+    "nodemon": "^1.18.4"
   }
 }