feat(lsp): custom omnifunc

lua/core/options.lua

@@ -67,7 +67,7 @@ vim.opt.hlsearch = true
 vim.opt.laststatus = 2
 vim.opt.textwidth = 0
 vim.opt.colorcolumn = "81"
-vim.opt.shortmess:append("a")
+vim.opt.shortmess:append("acC")
 vim.opt.autoread = true
 -- vim.opt.cmdheight = 0 -- To hide cmdline when not used. Disabled due to
 -- causing "Press ENTER to continue" messages for small messages.