Add the github-linguist package

This commit only adds a single package and all of its transitive
dependencies. The github-linguist package will be used for counting
lines of code as a baseline for databases we are analyzing.

node_modules/fs-extra/docs/remove-sync.md

@@ -0,0 +1,16 @@
+# removeSync(path)
+
+Removes a file or directory. The directory can have contents. Like `rm -rf`.
+
+- `path` `<String>`
+
+## Example:
+
+```js
+const fs = require('fs-extra')
+
+// remove file
+fs.removeSync('/tmp/myfile')
+
+fs.removeSync('/home/jprichardson') // I just deleted my entire HOME directory.
+```