Add node modules and compiled JavaScript from main

node_modules/@types/yargs-parser/README.md

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+# Installation
+> `npm install --save @types/yargs-parser`
+
+# Summary
+This package contains type definitions for yargs-parser (https://github.com/yargs/yargs-parser#readme).
+
+# Details
+Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/yargs-parser.
+
+### Additional Details
+ * Last updated: Mon, 13 Jan 2020 21:01:19 GMT
+ * Dependencies: none
+ * Global values: none
+
+# Credits
+These definitions were written by Miles Johnson (https://github.com/milesj).