v0.3-alpha-20211107

• Adds a reusable line editor to the scripting API, Golem.StringEditor which allows hijacking a client's interpreter with a stateful editor that invokes a provided callback with the "edited" string on completion
• Support for loading/saving a webhook structure and connecting to script entities in-game with the webhook command
• Support for listing and editing script source using the Golem.StringEditor utility - try to hot reload the script changes on completion
• Support for NPC shops and a CHAR_SHOPKEEPER flag indicating a mobile can sell items
• Several new seed data items for the shop in the developer area
• Several small bug fixes in formatting found in a gameplay test session
• Fixes an edge case where followers' output paging could overflow causing a panic, preventing the group leader from being placed in the destination room