LSP integration: umbrella issue #979
Description
This issue shall gather all of the issues regarding LSP support. Creating so I can assign myself as owner.
- Implement language server OnHover handler #124
- Warn of unused variables in LSP #863
- Code lens for autocompleting inferred type signatures #980
- VSCode syntax highlighting for swarm-lang embedded within YAML #981
- Unfold function application in LSP Hover #985
- LSP warning for name shadowing #1338
- Support jump-to-definition #1764
- Format code selection in editor #1573
- Don't clear warnings in other buffers when switching between buffers #1040