make initial implementation

credit
- https://github.com/AlphaModder/include-lua

README.md

@@ -11,20 +11,24 @@ and `require` the module.
 ## Synopsis
 
 ```rust
-use rlua_searcher::AddSearcher;
+use rlua::Lua;
+use rlua_searcher::{AddSearcher, Result};
+use std::collections::HashMap;
 
 fn main() {
     let lume = read_lume_to_string();
-    let name = "lume";
-    let map = HashMap::new<String, String>();
+    let name = "lume".to_string();
+    let mut map = HashMap::new();
     map.insert(name, lume);
 
-    let lua = Lua::new;
+    let lua = Lua::new();
 
-    let hello = lua.context::<_, rlua::Result<_>>(|lua_ctx| {
-        lua_ctx.add_searcher(map)?;
-        Ok(lua_ctx.load(r#"require("lume")"#).eval()?)
-    }).unwrap();
+    let hello = lua
+        .context::<_, Result<String>>(|lua_ctx| {
+            lua_ctx.add_searcher(map)?;
+            Ok(lua_ctx.load(r#"return require("lume")"#).eval()?)
+        })
+        .unwrap();
 
     // prints "hello lume"
     println!("{}", hello);