Adds .travis.yml, updates README

Author: flovilmart

.travis.yml

@@ -0,0 +1,6 @@
+branches:
+  only:
+    - master
+language: node_js
+node_js:
+  - "4.3"

README.md

@@ -1,2 +1,42 @@
 # parse-server-fs-adapter
 parse-server file system storage adapter 
+
+
+# installation
+
+`npm install --save parse-server-fs-adapter`
+
+# usage with parse-server
+
+### using a config file
+
+```
+{
+  "appId": 'my_app_id',
+  "masterKey": 'my_master_key',
+  // other options
+  "filesAdapter": {
+    "module": "parse-server-fs-adapter",
+    "options": {
+      "filesSubDirectory": "my/files/folder" // optional
+    } 
+  }
+}
+```
+
+### passing as an instance
+
+```
+var FSFilesAdapter = require('parse-server-fs-adapter');
+
+var fsAdapter = new FSFilesAdapter({
+      "filesSubDirectory": "my/files/folder" // optional
+    });
+
+var api = new ParseServer({
+	appId: 'my_app',
+	masterKey: 'master_key',
+	filesAdapter: fsAdapter
+})
+```
+