feat(lsp/mason): add tinymist (typst lsp)

lua/lsp.lua

@@ -105,6 +105,7 @@ local servers = {
   eslint = {},
   -- html = { filetypes = { 'html', 'twig', 'hbs'} },
   texlab = {},
+  tinymist = {},
   lua_ls = {
     Lua = {
       workspace = { checkThirdParty = false },