Move hello stuff to hello/

hello/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "hello"
+version = "0.1.0"
+authors = ["Eryn Wells <eryn@erynwells.me>"]
+
+[dependencies]

hello/src/main.rs

@@ -0,0 +1,8 @@
+fn main() {
+    println!("Hello, world!");
+
+    let v = vec![1, 2, 3];
+    for i in v {
+        println!("{}", i);
+    }
+}