Move CLI crate to root of workspace

Somehow I missed that this was a thing you could do? It's a much
cleaner organization, and it makes it so that you don't have to
explicitly specify the crate to build.

src/main.rs

@@ -0,0 +1,35 @@
+#![feature(iterator_try_collect)]
+
+use std::io::{self, Write};
+
+mod queries;
+use queries::*;
+mod datasets;
+use datasets::*;
+
+fn main() {
+    let mut config_dir = dirs::config_dir().unwrap();
+    config_dir.push("ggelo");
+
+    let path = dataset_path(&config_dir, "test");
+    let connection = open_dataset(&path).unwrap();
+
+    let set_data = SetData {
+        teams: vec![
+            vec![PlayerData {
+                id: PlayerId(1),
+                name: Some("player1".to_owned()),
+                prefix: None,
+            }],
+            vec![PlayerData {
+                id: PlayerId(2),
+                name: Some("player2".to_owned()),
+                prefix: None,
+            }],
+        ],
+        winner: 0,
+    };
+
+    update_from_set(&connection, set_data.clone()).unwrap();
+    println!("{:?}", get_ratings(&connection, &set_data.teams).unwrap());
+}