fix: move demo.js to the docs folder (#155)

Author: XhmikosR

README.md

@@ -16,7 +16,7 @@ setTimeout(() => { gauge.pulse(); gauge.show("working…", 0.99) }, 2000)
 setTimeout(() => gauge.hide(), 2300)
 ```
 
-See also the [demos](demo.js):
+See also the [demos](docs/demo.js):
 
 ![](./docs/gauge-demo.gif)
 

lib/demo.js renamed to docs/demo.js

@@ -1,5 +1,5 @@
-var Gauge = require('./')
-var gaugeDefault = require('./themes.js')
+var Gauge = require('..')
+var gaugeDefault = require('../lib/themes.js')
 var onExit = require('signal-exit')
 
 var activeGauge