GitHub repository containing all of the documentation for Stormworks: Build and Rescue's Addon Lua.
Unfortunately, the documentation in this repository is just categorized screenshots of the in-game documentation instead of actual text (intellisense.lua file containing all Addon Lua functions, types, and callbacks that can provide intellisense (auto-completion, etc) as long as you have the file in your addon workspace and if you have the Lua LSP VSCode extension installed and enabled.
The documentation can be found in /docs.