Add license header to app.rs

src/app.rs

@@ -1,4 +1,26 @@
-use std::{collections::HashMap, sync::{Arc, Mutex}, thread, time::{Duration, Instant}};
+/**
+ *
+ *  Copyright 2024 Netflix, Inc.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+use std::{
+    collections::HashMap,
+    sync::{Arc, Mutex},
+    thread,
+    time::{Duration, Instant},
+};
 
 use libbpf_rs::query::ProgInfoIter;
 use ratatui::widgets::TableState;
@@ -69,4 +91,4 @@ impl App {
             thread::sleep(Duration::from_secs(1));
         });
     }
-}
+}