Add Getting files from the server

Change-Id: I1904d419bef4c549fb34e0340f96387416adaab0
Reviewed-on: https://git.clicks.codes/c/Clicks/BYO/HttpServer/rust/+/266
Tested-by: Skyler Grey <minion@clicks.codes>
Reviewed-by: Samuel Shuert <coded@clicks.codes>
diff --git a/src/main.rs b/src/main.rs
index 5ab934a..9e7d884 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -100,9 +100,7 @@
 
     match response_body {
         BodyTypes::String(ref content) => {
-            if content.len() > 0 {
-                response_headers.push(format!("Content-Length: {}", content.len()));
-            };
+            response_headers.push(format!("Content-Length: {}", content.len()));
         },
         BodyTypes::File(ref file) => {
             response_headers.push(format!("Content-Length: {}", file.metadata().await.unwrap().size()));