Self-gitignoring my/ added for parallel subprojects.

rename.json

@@ -1,6 +1,7 @@
 {
   "gitignore-file": ".gitignore",
   "localamdjson-file": "local.amd.json",
+  "my/gitignore-file": "my/.gitignore",
   "src/name.js": "src/{%= name %}.js",
   "src/name.st": "src/{%= name %}.st",
   "src/test.js": "src/{%= name %}-Tests.js",

root/my/gitignore-file

@@ -0,0 +1 @@
+**