feat: Add localRequire fn

nvim/lua/lib/marleyvim/init.lua

@@ -0,0 +1,11 @@
+local M = {}
+
+---@param prefix string The string to prefix to all req calls.
+function M.localRequire(prefix)
+  ---@param mod string The module to require.
+  return function(mod)
+    return require(prefix .. '.' .. mod)
+  end
+end
+
+return M