Getting ready for 1.2 & new site release

- improved support for serving static resources from the binary, now supporting images
- added new logo
- changed save button
- fixed footer attribution text, it is not true anymore that MicroBin is made by myself
- replaced footer GitHub link with microbin.eu link

src/endpoints/info.rs

@@ -33,7 +33,7 @@ pub async fn info(data: web::Data<AppState>) -> HttpResponse {
             args: &ARGS,
             pastas: &pastas,
             status: &String::from(status),
-            version_string: &String::from("1.2.0-20221029"),
+            version_string: &String::from("1.2.0-20221101"),
             message: &String::from(message),
         }
         .render()