Move lsp config to local file structure

.config/nvim/lsp/muon.lua

@@ -0,0 +1,25 @@
+---@brief
+---
+--- https://muon.build
+
+---@type vim.lsp.Config
+return {
+  cmd = { 'muon', 'analyze', 'lsp' },
+  filetypes = { 'meson' },
+  root_dir = function(bufnr, on_dir)
+    local fname = vim.api.nvim_buf_get_name(bufnr)
+    local cmd = { 'muon', 'analyze', 'root-for', fname }
+    vim.system(cmd, { text = true }, function(output)
+      if output.code == 0 then
+        if output.stdout then
+          on_dir(vim.trim(output.stdout))
+          return
+        end
+
+        on_dir(nil)
+      else
+        vim.notify(('[muon] cmd failed with code %d: %s\n%s'):format(output.code, cmd, output.stderr))
+      end
+    end)
+  end,
+}