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/ensureFile-sync.md

@@ -0,0 +1,17 @@
+# ensureFileSync(file)
+
+Ensures that the file exists. If the file that is requested to be created is in directories that do not exist, these directories are created. If the file already exists, it is **NOT MODIFIED**.
+
+**Alias:** `createFileSync()`
+
+- `file` `<String>`
+
+## Example:
+
+```js
+const fs = require('fs-extra')
+
+const file = '/tmp/this/path/does/not/exist/file.txt'
+fs.ensureFileSync(file)
+// file has now been created, including the directory it is to be placed in
+```