Remove need to supply webhook avatar

.gitignore

@@ -2,6 +2,4 @@
 .env
 /venv
 .cargo
-assets
-out.json
 /.idea

README.md

@@ -17,7 +17,6 @@ You'll need rustc and cargo for compilation. To run, you'll need Python 3 still
 6. Run migrations: `sqlx migrate run`.
 7. Set environment variables:
    * `DATABASE_URL` - the URL of your MySQL database (`mysql://user[:password]@domain/database`)
-   * `WEBHOOK_AVATAR` - accepts the name of an image file located in `$CARGO_MANIFEST_DIR/assets/` to be used as the avatar when creating webhooks. **IMPORTANT: image file must be 128x128 or smaller in size**
 8. Build: `cargo build --release`
 
 ### Compiling for other target

src/consts.rs

@@ -17,12 +17,8 @@ use regex::Regex;
 
 lazy_static! {
     pub static ref DEFAULT_AVATAR: AttachmentType<'static> = (
-        include_bytes!(concat!(
-            env!("CARGO_MANIFEST_DIR"),
-            "/assets/",
-            env!("WEBHOOK_AVATAR", "WEBHOOK_AVATAR not provided for compilation")
-        )) as &[u8],
-        env!("WEBHOOK_AVATAR"),
+        include_bytes!(concat!(env!("CARGO_MANIFEST_DIR"), "/assets/webhook.jpg")) as &[u8],
+        "webhook.jpg",
     )
         .into();
     pub static ref REGEX_CHANNEL_USER: Regex = Regex::new(r#"\s*<(#|@)(?:!)?(\d+)>\s*"#).unwrap();