Update README.md

README.md

@@ -1,15 +1,40 @@
 # package-loader
 Ext JS Dynamic Package Loader
 
-# Install
+# Requirements
+This package is used by Ext JS applications and Sencha Cmd 6.5
 
-- Install [Sencha Cmd](https://www.sencha.com/products/extjs/cmd-download/) (^6.5.0)
-- Download [Sencha Ext JS](https://www.sencha.com/products/extjs) (^6.5.0).  We
+- Install [Sencha Cmd](https://www.sencha.com/products/sencha-cmd/)
+- Download [Sencha Ext JS](https://www.sencha.com/products/extjs).  We
   recommend extracting Ext JS into a `"sencha-sdks"` folder in your home directory.
-- Setup the framework for the package
-    $ sencha workspace install ~/sencha-sdks
+
+## Use In Cmd Application
+Simply add `package-loader` to the `'app.json'` file's `requires` array:
+
+    "requires": [
+        "package-loader"
+    ]
+
+Then build the application
+
+    sencha app build --dev
+
+The `package-loader` package will be automatically downloaded from Sencha's CDN.
+
+# Manual Installation
+
+In most cases you won't need to manually install this package. If you cannot access
+the Sencha CDN as part of the app build, you can manually download the files to
+your workspace.
+
+Be sure that the `'packages/package-loader'` path is placed in the correct root of
+your application or workspace.
 
 # Build
 
+Should you want to build the package yourself, first you will need to setup the
+workspace which will need a local copy of Ext JS to build:
+
+    $ sencha workspace install ~/sencha-sdks
     $ cd packages/package-loader
-    $ sencha package build
+    $ sencha package build