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/lib/mkdirs/win32.js

@@ -0,0 +1,25 @@
+'use strict'
+
+const path = require('path')
+
+// get drive on windows
+function getRootPath (p) {
+  p = path.normalize(path.resolve(p)).split(path.sep)
+  if (p.length > 0) return p[0]
+  return null
+}
+
+// http://stackoverflow.com/a/62888/10333 contains more accurate
+// TODO: expand to include the rest
+const INVALID_PATH_CHARS = /[<>:"|?*]/
+
+function invalidWin32Path (p) {
+  const rp = getRootPath(p)
+  p = p.replace(rp, '')
+  return INVALID_PATH_CHARS.test(p)
+}
+
+module.exports = {
+  getRootPath,
+  invalidWin32Path
+}