add basic test

minecraft-chat/tests/integration_test.rs

@@ -0,0 +1,13 @@
+use minecraft_chat::component::Component;
+use serde_json::{Result, Value};
+
+#[test]
+fn test() {
+    let j: Value = serde_json::from_str(
+        r#"{
+        "text":"hello"
+    }"#,
+    )
+    .unwrap();
+    let component = Component::new(&j).unwrap();
+}