add hover keymap

Author: dennyjj

init.lua

@@ -556,6 +556,8 @@ require('lazy').setup({
           --  the definition of its *type*, not where it was *defined*.
           map('grt', require('telescope.builtin').lsp_type_definitions, '[G]oto [T]ype Definition')
 
+          map('K', vim.lsp.buf.hover, 'Hover Documentation')
+
           -- This function resolves a difference between neovim nightly (version 0.11) and stable (version 0.10)
           ---@param client vim.lsp.Client
           ---@param method vim.lsp.protocol.Method