trim whitespace around game data

src/game.rs

@@ -18,6 +18,14 @@ pub struct Game {
 
 impl From<String> for Game {
     fn from(string: String) -> Game {
+        let mut string = format!("{}\n\n", string.trim());
+
+        if string.starts_with("# BITSY VERSION") {
+            string = format!("\n\n{}", string);
+        }
+
+        let string = string;
+
         // dialogues and endings can have 2+ line breaks inside, so deal with these separately
         // otherwise, everything can be split on a double line break (\n\n)
         let mut dialogues: Vec<Dialogue> = Vec::new();