WIP - add extractor, generate snippet_data

node_modules/@jimp/core/README.md

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+<div align="center">
+  <img width="200" height="200"
+    src="https://s3.amazonaws.com/pix.iemoji.com/images/emoji/apple/ios-11/256/crayon.png">
+  <h1>@jimp/core</h1>
+</div>
+
+The main Jimp class. This class can be extended with types and bitmap manipulation functions. Out of the box it does not support any image type.
+
+## Available Methods
+
+### Jimp
+
+The Jimp class constructor.
+
+### addConstants
+
+Add constant or static methods to the Jimp constructor.
+
+```js
+addConstants({
+  MIME_SPECIAL: 'image/special'
+});
+```
+
+### addJimpMethods
+
+Add a bitmap manipulation method to Jimp constructor. These method should return this so that the function can be chain-able.
+
+```js
+addJimpMethods({
+  cropCrazy: function() {
+    // Your custom image manipulation method
+
+    return this;
+  }
+})
+
+const image = await Jimp.read(...);
+
+image.resize(10, Jimp.AUTO),
+  .cropCrazy();
+
+await image.writeAsync('test.png');
+```
+
+### addType
+
+Add a image mime type to Jimp constructor. First argument is a mime type and the second is an array of file extension for that type.
+
+```js
+addType('image/special', ['spec', 'special']);
+```