update readmes

install-lua/README.md

@@ -3,10 +3,12 @@
 [![Actions Status](https://github.com/leafo/gh-actions-lua/workflows/test/badge.svg)](https://github.com/leafo/gh-actions-lua/actions)
 
 
-Builds Lua and installs it into the `.lua/` directory in the working directory.
+Builds and installs Lua into the `.lua/` directory in the working directory.
 Adds the `.lua/bin` to the `PATH` environment variable so `lua` can be called
 directly in workflows.
 
+For full example, see https://github.com/leafo/gh-actions-lua/blob/master/README.md
+
 ## Usage
 
 Install Lua: (Will typically default to the latest release, 5.3.5 as of this readme)

install-luarocks/README.md

@@ -0,0 +1,28 @@
+# leafo/gh-actions-lua/install-lua
+
+[![Actions Status](https://github.com/leafo/gh-actions-lua/workflows/test/badge.svg)](https://github.com/leafo/gh-actions-lua/actions)
+
+
+Builds and intsalls LuaRocks from source into `.luarocks/` directory in the working directory. Configures `PATH`, `LUA_PATH`, and `LUA_CPATH` environment varibles to be able to use luarocks directly in workflows.
+
+Depends on [`leafo/gh-actions-lua/install-lua`](https://github.com/leafo/gh-actions-lua/tree/master/install-lua) for a version of Lua.
+
+
+For full example, see https://github.com/leafo/gh-actions-lua/blob/master/README.md
+
+## Usage
+
+Install Lua, then LuaRocks:
+
+```yaml
+- uses: leafo/gh-actions-lua/install-lua@master
+- uses: leafo/gh-actions-lua/install-luarocks@master
+```
+
+## Inputs
+
+### `luarocksVersion`
+
+**Default**: `"3.2.0"`
+
+Specifies which version of LuaRocks to install. Must be listed on https://luarocks.github.io/luarocks/releases/