applies chatgpt suggestions.

...
does not appear to decode everything

cli/src/bin/decode.rs

@@ -1,11 +1,10 @@
 use core::instruction::Instruction;
 use core::address_mode::AddressMode;
-use core::isa::decoder::Decoder;
 
 fn main() {
     println!("Taxation is Theft");
 
-    Decoder::decode(vec![0b11100011]);
+    Instruction::from_bytes(vec![0b11100011]);
 
     let instruction = Instruction::ADC(AddressMode::Immediate(0x45));
     println!("Instruction = {:?}", instruction.to_string());