Fixed json being snake_case and removed some unnescesary code

src/main.rs

@@ -11,6 +11,7 @@ struct Emoji {
 }
 
 #[derive(Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
 struct File {
     downloaded: bool,
     file_name: String,
@@ -18,6 +19,7 @@ struct File {
 }
 
 #[derive(Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
 struct MetaJson {
     meta_version: i32,
     host: String,
@@ -57,7 +59,7 @@ fn get_files() -> Vec<File> {
         let name = file_name_parts[0];
         let extension = file_name_parts[1];
         
-        if file.as_ref().expect("Error: could not read file").path().with_extension(extension).exists() && extension == "png" {
+        if extension == "png" || extension == "jpg" || extension == "jpeg" || extension == "gif" {
             let file_name = file.expect("Error: could not read file").file_name().into_string().expect("Error: could not read filename as String");
             let emoji_data = Emoji {
                 name: name.to_string(),