Add node modules and compiled JavaScript from main (#54)

Co-authored-by: Oliver King <oking3@uncc.edu>

node_modules/mimic-fn/index.d.ts

@@ -0,0 +1,54 @@
+declare const mimicFn: {
+	/**
+	Make a function mimic another one. It will copy over the properties `name`, `length`, `displayName`, and any custom properties you may have set.
+
+	@param to - Mimicking function.
+	@param from - Function to mimic.
+	@returns The modified `to` function.
+
+	@example
+	```
+	import mimicFn = require('mimic-fn');
+
+	function foo() {}
+	foo.unicorn = '🦄';
+
+	function wrapper() {
+		return foo();
+	}
+
+	console.log(wrapper.name);
+	//=> 'wrapper'
+
+	mimicFn(wrapper, foo);
+
+	console.log(wrapper.name);
+	//=> 'foo'
+
+	console.log(wrapper.unicorn);
+	//=> '🦄'
+	```
+	*/
+	<
+		ArgumentsType extends unknown[],
+		ReturnType,
+		FunctionType extends (...arguments: ArgumentsType) => ReturnType
+	>(
+		to: (...arguments: ArgumentsType) => ReturnType,
+		from: FunctionType
+	): FunctionType;
+
+	// TODO: Remove this for the next major release, refactor the whole definition to:
+	// declare function mimicFn<
+	//	ArgumentsType extends unknown[],
+	//	ReturnType,
+	//	FunctionType extends (...arguments: ArgumentsType) => ReturnType
+	// >(
+	//	to: (...arguments: ArgumentsType) => ReturnType,
+	//	from: FunctionType
+	// ): FunctionType;
+	// export = mimicFn;
+	default: typeof mimicFn;
+};
+
+export = mimicFn;