Support more message kinds

[SuperAuguste]

• initialized
• initialize
• shutdown
• exit
• $/cancelRequest
• textDocument/didOpen
• textDocument/didChange
• textDocument/didSave
• textDocument/didClose
• textDocument/willSaveWaitUntil
• textDocument/semanticTokens/full
• textDocument/inlayHint
• textDocument/completion
• textDocument/signatureHelp
• textDocument/definition
• textDocument/typeDefinition
• textDocument/implementation
• textDocument/declaration
• textDocument/hover
• textDocument/documentSymbol
• textDocument/formatting
• textDocument/rename
• textDocument/references
• textDocument/documentHighlight
• textDocument/codeAction
• workspace/didChangeConfiguration
• textDocument/foldingRange
• textDocument/selectionRange