Rename InstructionDictionary file to be lowercase

src/codebox.ts

@@ -4,7 +4,7 @@ import { EmptyCodeBoxError, FailedToParseCodeBoxError, WrongStackSizeError } fro
 import { CodeBoxOptions, OrdinalDirection } from "./types.js";
 import { charToDecimal, deepClone } from "./common.js";
 import { Node } from "typescript";
-import { InstructionDictionary } from "./Instructions.js";
+import { InstructionDictionary } from "./instructions.js";
 
 export class CodeBox {
     /**