nvim: add some key mappings for LSP

.config/nvim/lua/lsp.lua

@@ -4,8 +4,10 @@ require('keymaps')
 use {
     'https://github.com/neovim/nvim-lspconfig',
     config = function()
+        map('n', '<space>e', vim.diagnostic.open_float)
         map('n', '<f5>', vim.diagnostic.goto_prev)
         map('n', '<f6>', vim.diagnostic.goto_next)
+        map('n', '<space>q', vim.diagnostic.setloclist)
 
         -- Only map the following keys after the language server attaches to the
         -- current buffer

.config/nvim/lua/plugins.lua

@@ -20,6 +20,7 @@ use {
 }
 use 'https://github.com/L3MON4D3/LuaSnip'
 
+-- compile and install new plugins when this file is saved
 vim.cmd([[
     augroup packer_user_config
         autocmd!

.config/nvim/lua/settings.lua

@@ -36,4 +36,3 @@ vim.api.nvim_create_autocmd(
         command = 'lua remove_trailing_whitespace()'
     }
 )
-