[node-red] Improve explanation and readability

node-red/README.md

@@ -1,7 +1,7 @@
 node-red
 ========
 
-![](https://badge.imagelayers.io/vimagick/node-red:latest.svg)
+<img src="https://nodered.org/about/resources/media/node-red-icon-2.png" width="100">
 
 [Node-RED][1] is a tool for wiring together hardware devices, APIs and online
 services in new and interesting ways.
@@ -9,9 +9,10 @@ services in new and interesting ways.
 ![](screenshot.png)
 
 ## directory tree
+> The `data` directory will be created after first running.
 
 ```
-~/fig/node-red/
+~./node-red/
 ├── docker-compose.yml
 └── data/
     ├── flows_cred.json
@@ -20,8 +21,8 @@ services in new and interesting ways.
     │   └── flows
     └── settings.js
 ```
-
-> The `node-red` directory will be created after first running.
+> The `arm` directory is only needed for ARM deployments, delete it if
+> you are not using `arm`.
 
 ## docker-compose.yml
 
@@ -35,30 +36,10 @@ node-red:
   restart: always
 ```
 
-## settings.js
+## set-up
 
-```javascript
-module.exports = {
-
-    adminAuth: {
-        type: "credentials",
-        users: [{
-            username: "admin",
-            password: "$2a$08$zZWtXTja0fB1pzD4sHCMyOCMYz2Z6dNbM6tl8sJogENOMcxWV9DN.",
-            permissions: "*"
-        }],
-        default: {
-            permissions: "read"
-        }
-    },
-
-}
-```
-
-> Password hash can be generated by running `node-red-admin hash-pw`
-> <https://nodered.org/docs/security>
-
-## up and running
+Copy only the `docker-compose.yml` to your desired installation folder.
+And follow these steps:
 
 ```bash
 $ docker-compose up -d
@@ -67,7 +48,8 @@ $ docker-compose exec node-red node-red-admin hash-pw
 >>> Password: ******
 ... $2a$08$zZWtXTja0fB1pzD4sHCMyOCMYz2Z6dNbM6tl8sJogENOMcxWV9DN.
 
-$ vi data/settings.js
+# Uncomment the adminAuth section and add your hashed password
+$ sudo vi data/settings.js
 
 $ docker-compose exec node-red bash
 >>> cd /data
@@ -82,3 +64,26 @@ $ docker-compose restart
 > Install nodes from [node-red-nodes](https://github.com/node-red/node-red-nodes).
 
 [1]: http://nodered.org/
+
+## settings.js
+
+```javascript
+module.exports = {
+...
+    adminAuth: {
+        type: "credentials",
+        users: [{
+            username: "admin",
+            password: "ADD_HERE_YOUR_HASH_PASSWORD",
+            permissions: "*"
+        }],
+        default: {
+            permissions: "read"
+        }
+    },
+...
+}
+```
+
+> Password hash can be generated by running `node-red-admin hash-pw`
+> <https://nodered.org/docs/security>