enable CI and add editorconfig

Author: developit

.editorconfig

@@ -0,0 +1,15 @@
+root = true
+
+[*]
+indent_style = tab
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[{package.json,.*rc,*.yml}]
+indent_style = space
+indent_size = 2
+
+[*.md]
+trim_trailing_whitespace = false

.travis.yml

@@ -0,0 +1,3 @@
+language: node_js
+node_js:
+  - "node"

README.md

@@ -14,12 +14,13 @@ npm i -D preact-cli-plugin-async
 import asyncPlugin from 'preact-cli-plugin-async';
 
 export default (config) => {
-  asyncPlugin(config);
+    asyncPlugin(config);
 }
 ```
 
 ## License
 
 MIT © [developit](https://github.com/developit)
 
+[Preact CLI]: https://github.com/developit/preact-cli
 [Kneden]: https://github.com/babel/kneden