chore: update install command for npm and fix repo URL

Author: jeanpaulsio

README.md

@@ -7,7 +7,7 @@ Ruby language support for [CodeMirror 6](https://codemirror.net/), built on a [L
 ## Install
 
 ```bash
-npm install github:jeanpaulsio/codemirror-lang-ruby
+npm install codemirror-lang-ruby
 ```
 
 ## Usage

package.json

@@ -11,12 +11,22 @@
     "require": "./dist/index.cjs"
   },
   "sideEffects": false,
-  "keywords": ["codemirror", "ruby", "lezer", "syntax", "highlighting", "editor"],
-  "files": ["dist", "src/syntax.grammar"],
+  "keywords": [
+    "codemirror",
+    "ruby",
+    "lezer",
+    "syntax",
+    "highlighting",
+    "editor"
+  ],
+  "files": [
+    "dist",
+    "src/syntax.grammar"
+  ],
   "license": "MIT",
   "repository": {
     "type": "git",
-    "url": "https://github.com/jeanpaulsio/codemirror-lang-ruby"
+    "url": "git+https://github.com/jeanpaulsio/codemirror-lang-ruby.git"
   },
   "scripts": {
     "build": "rollup -c",