message: Fix broken link to documentation
diff: @@ -51,7 +51,7 @@ BrighterScript adds several new features to the BrightScript language such as Na
  - `user = m.user ?? getDefaultUser()`
  - Additional Language features coming soon
  - null-conditional operator: `userSettings = m.user?.account?.profile?.settings`
  - - and [more](https://github.com/rokucommunity/BrighterScript/blob/master/docs/index.md)...
  + - and [more](https://github.com/rokucommunity/BrighterScript/blob/master/docs/readme.md)...
  - Full BrighterScript support for syntax checking, validation, and intellisense is available within the [Brightscript Language](https://marketplace.visualstudio.com/items?itemName=celsoaf.brightscript) VSCode extension.
  