v1.4.0

This release adds asset metadata. Asset metadata lets you associate JSON data with an asset separate from the raw data.

• Asset metadata cmds:
  • /asset-md-get
  • /asset-md-set
  • /asset-md-set-key
  • /asset-md-del-key
• Metadata title keys are shown in /asset-list and /asset-search
  • title automatically populated when editing .md or no-ext files
• /chat-save queries AI for metadata title for chat.
• Asset tempfiles generated for editors retain extension of asset.
• Fix CTRL+C to stop asset revision iteration.