v0.2 is here, based on the comments I made some updates:

- Introduced the ability to create/update/delete templates for your custom prompts

- Define your own menu options for variables in the template builder

- Introduced the ability to create/update/delete examples (predefined values) for the prompts

- Saving your current state to browser's LocalStorage so your templates are persisted between browser sessions

- Ability to export/load the whole workspace to/from a text file

- Navigate with the tab key in the template builder's editable fields

- Edit template builder's fields in place