fix(README): fix for quotes, additional config

Fix package.son configuration, to use proper double quotes.
Add lineLength parameter

Author: maxorlovsky

README.md

@@ -27,22 +27,23 @@ This will replace commit-msg in your .git/hooks folder with code, that will run
 Configuration is simple and is done in `package.json`, you just need to add git-commit-msg object:
 
 ```js
-"git-commit-msg": {
-    types: [
-        'feat',
-        'fix',
-        'chore',
-        'docs',
-        'refactor',
-        'style',
-        'perf',
-        'test',
-        'revert'
-    ]  
+"git-commit-hook": {
+    "types": [
+        "feat",
+        "fix",
+        "chore",
+        "docs",
+        "refactor",
+        "style",
+        "perf",
+        "test",
+        "revert"
+    ],
+    "lineLength": 72
 }
 ```
 
-This will add rules, so your git commit messages must start using those types like
+git-commit-hook.types (array of strings) will add rules, so your git commit messages must start using those types like
 ```
 feat: <message>
 ```
@@ -53,4 +54,6 @@ or
 feat(scope/filename): <message>
 ```
 
+git-commit-hook.lineLength (integer) will make sure that lines in your commit message are always less or equal to the number you set into this config
+
 This package is WIP, so propose your ideas - open issue or create pull request.