Break: add initial meta.json support

tests/meta.rs

@@ -0,0 +1,16 @@
+use std::fs::File;
+
+use anyhow::Result;
+use wotbreplay_parser::prelude::*;
+
+#[test]
+fn meta_ok() -> Result<()> {
+    let meta = Replay::open(File::open("tests/replays/player_results.wotbreplay")?)?.read_meta()?;
+
+    assert_eq!(meta.player_name, "zeekrab");
+    assert_eq!(meta.arena_unique_id, "1661909200500084");
+    assert_eq!(meta.battle_duration_secs, 164.08485);
+    assert_eq!(meta.tank_id, 26657);
+
+    Ok(())
+}