Add comment why '%s/git-hooks' is used in hook-template

Author: tarmolov

lib/hook-template.js

@@ -1,6 +1,13 @@
 #!/usr/bin/env node
 
 try {
+    /**
+     * require('git-hooks') isn't used to support case when node_modules is put in subdirectory.
+     * .git
+     * .githooks
+     * www
+     *     node_modules
+     */
     require('%s/git-hooks').run(__filename, process.argv[2], function (code) {
         process.exit(code);
     });