Add package.json & update README for new installation steps

Author: peterflynn

README.md

@@ -1,25 +1,28 @@
 Everyscrub for Brackets
-==========
-Everything's a scrubber! Cmd/Ctrl + drag on any number or hex color to scrub its value. In "Live development" mode, the browser preview will update in real time while you're dragging.
+=======================
+Everything's a scrubber! Cmd/Ctrl + drag on any number or hex color to scrub its value. In "Live development" mode, the browser
+preview will update in real time while you're dragging.
 
 You can also tap Shift+Alt+Up/Down to "nudge" the value in individual increments.
 
-Works with any number in CSS, LESS, SVG, HTML and JavaScript. Also works with 3- or 6-digit hex colors (darkens/lightens the color). Just hold down Cmd (Mac) or Ctrl (Win), mouse down on the number in your source code, and drag the mouse horizontally.
+Works with any number in CSS, LESS, SVG, HTML and JavaScript. Also works with 3- or 6-digit hex colors (darkens/lightens the
+color). Just hold down Cmd (Mac) or Ctrl (Win), mouse down on the number in your source code, and drag the mouse horizontally.
 
-What is Brackets?
-==========
+
+How to Install
+==============
 Everyscrub is an extension for [Brackets](https://github.com/adobe/brackets/), a new open-source code editor for the web.
 
 To use Everyscrub:
 
-1. [Download the ZIP](https://github.com/peterflynn/everyscrub/archive/master.zip) and unzip it; or clone this repo
-2. Open your extensions folder: _Help > Show Extensions Folder_
-3. Place the folder so the structure is: `extensions/user/everyscrub/main.js`
-4. Restart Brackets!
+1. Choose _File > Install Extension_
+2. Enter this URL: _https://github.com/peterflynn/everyscrub_
+3. Click _Install_!
 
 
 ### License
 MIT-licensed -- see `main.js` for details.
 
 ### Compatibility
-Brackets Sprint 14 or newer (or any version of Adobe Edge Code). Undo functionality is improved when running in Brackets Sprint 20 or newer.
+Brackets Sprint 14 or newer (or any version of Adobe Edge Code). Undo functionality is improved when running in Brackets Sprint 20
+or newer (Edge Code Preview 3 or newer).

package.json

@@ -0,0 +1,7 @@
+{
+    "name": "pflynn.everyscrub",
+    "title": "Everyscrub",
+    "version": "1.2.2",
+    "engines": { "brackets": ">=0.14" },
+    "description": "Everything's a scrubber! Cmd/Ctrl + drag on any number or hex color to scrub its value and update the browser in real time."
+}