update .gitignore

node_modules/js-git/doc/lib/inflate.md

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+# Inflate
+
+This module implements a simple interface that when given deflated data returns the inflated version.
+
+## inflate(deflated) -> inflated
+
+```js
+var inflate = require('js-git/lib/inflate');
+
+var inflated = inflate(deflated);
+```