You are able to pin favorite templates to the top of your My Templates list in both Form Templates and PDF Templates.
You can do this by clicking the 'Pin to top' button highlighted in the screenshots below:
If you do not see the templates you have pinned at the top of your screen, try clearing the cache on your browser or giving it a refresh before checking once more.
When pinned, the icon will be be blue:
Keywords: Pin to top, favorite templates, organization, favorites