WIP create a handler to download a file chunk by chunk.

backend/infrastructure/src/video/model.rs

@@ -0,0 +1,13 @@
+use std::fs::File;
+
+pub struct TokioVideoFile {
+    pub file: File
+}
+
+impl TokioVideoFile {
+    pub fn new(file_path: &String) -> Self {
+        Self {
+            file: File::open(file_path).expect(format!("Failed to open file {file_path}").as_str())
+        }
+    }
+}