fix: take care of clippy warnings and add test image

crates/rpl/src/lib.rs

@@ -1,16 +1,14 @@
 use instructions::Instruction;
 use serde::{Deserialize, Serialize};
 
-use crate::instructions::{
-    read::{SourceFormat, SourceType},
-    write::{TargetFormat, TargetType},
-    MathInstruction,
-};
-
 pub mod instructions;
 
+/// # Panics
+///
+/// Panics if deserialization fails. lol.
+#[must_use]
 pub fn from_ron(raw: &str) -> Rpl {
-    ron::from_str(raw).unwrap()
+    ron::from_str(raw).expect("come back later and handle me correctly")
 }
 
 #[derive(Serialize, Deserialize, PartialEq, Eq, Debug)]