Initial Commit - Add nvim config

Signed-off-by: Daniel Henry <iamdanhenry@gmail.com>

.config/nvim/lua/core/config.lua

@@ -0,0 +1,40 @@
+local o = vim.opt
+
+-- Numbers/UI
+o.number = true
+o.relativenumber = true
+o.signcolumn = "yes"
+o.termguicolors = true
+o.updatetime = 300
+
+-- Indentation: 2 spaces, never tabs
+o.expandtab = true      -- insert spaces when you press <Tab>
+o.shiftwidth = 2        -- >> and << shift by 2
+o.tabstop = 2           -- a <Tab> displays as 2 spaces
+o.softtabstop = 2       -- <BS> unindents by 2 in insert mode
+o.smartindent = true    -- basic smart indenting for code
+
+o.clipboard = "unnamedplus"
+
+-- Diagnostics: right-side virtual text + nice floats + sorted severity
+vim.diagnostic.config({
+  virtual_text = {
+    spacing = 2,
+    prefix = "●",     -- small dot; try "▎" or "" if you like
+  },
+  severity_sort = true,
+  underline = true,
+  update_in_insert = false,     -- don’t distract while typing
+  float = {
+    border = "rounded",
+    source = "if_many",
+    header = "",
+    prefix = "",
+  },
+})
+
+-- Pretty signs in the gutter (left)
+for type, icon in pairs({ Error="", Warn="", Hint="", Info="" }) do
+  local hl = "DiagnosticSign" .. type
+  vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = "" })
+end