feat: Init host module

Author: johanneshorner

Cargo.lock

@@ -1,9 +1,12 @@
 app [main!] { pf: platform "../platform/main.roc" }
 
+import pf.Host
 import pf.Stdout
 
-main! : List(Str) => Try({}, [Exit(I32)])
-main! = |_args| {
-    Stdout.line!("Hello from basic-cli!")
-    Ok({})
+main! : Host => Try({}, [Exit(I32)])
+main! = |host| {
+	Stdout.line!("Hello from basic-cli!")
+	args = host.args!()
+	Stdout.line!("${Str.inspect(args)}")
+	Ok({})
 }

examples/hello.roc

@@ -0,0 +1,6 @@
+Host := {
+	args : List(Str),
+}.{
+	## Returns the arguments that this program was started with.
+	args! : Host => List(Str)
+}