Reduce rebuild/restart friction for embedded asset editing

Discord Message

Author: halfgold_00905 Channel: #feedback Link: https://discord.com/channels/1405685085923049482/1405686161791516873/1454844344887676930

-- I think there's a lot of rough edges that can be reduced with turnaround -- each new conversation required shelley to figure out that assets (eg html) were embedded in the go binary, so editing them requires a rebuild and server restart.