[vim] Add a diagnostics init module to customize diagnostic message floats

config/nvim/init.lua

@@ -56,6 +56,7 @@ vim.cmd [[
 ]]
 
 require "configuration"
+require 'diagnostics'
 require "lsp"
 
 local colors = require 'colors'

config/nvim/lua/diagnostics.lua

@@ -0,0 +1,15 @@
+-- Eryn Wells <eryn@erynwells.me>
+
+vim.diagnostic.config {
+    virtual_text = false,
+    signs = true,
+    update_in_insert = true,
+    underline = true,
+    severity_sort = false,
+    float = {
+        border = 'rounded',
+        source = 'always',
+        header = '',
+        prefix = '',
+    },
+}