added installer script to readme.

docs/src/guide/README.md

@@ -8,3 +8,8 @@ Movescript is a set of libraries that remove the prohibitive tedium of writing t
 | [Itemscript](./itemscript/) | A collection of helper functions that simplify inventory management. |
 
 These modules are intended to be used with the Turtle robots provided by the [CC:Tweaked](https://tweaked.cc/) mod for Minecraft.
+
+You can run an installer script to automatically download the latest versions of all of the movescript family of libraries:
+```shell
+wget run https://andrewlalis.github.io/movescript/scripts/ms-installer.lua
+```

src/ms-installer.lua

@@ -10,6 +10,7 @@ local libs = {
 
 local BASE_URL = "https://andrewlalis.github.io/movescript/scripts/"
 
+print("Running Movescript installer")
 for _, lib in pairs(libs) do
     if fs.exists(lib) then
         fs.delete(lib)