refactor: remove default export

BREAKING CHANGE: makeMatrix is no longer a default export of this package

Author: neefrehman

README.md

@@ -24,7 +24,7 @@ npm install make-matrix
 ```
 
 ```js
-import makeMatrix from "make-matrix";
+import { makeMatrix } from "make-matrix";
 ```
 
 ## Usage

src/index.ts

@@ -44,6 +44,4 @@ function _makeMatrix<D extends number, T>(
   }) as Matrix<D, T>;
 }
 
-export default makeMatrix;
-
 export { makeMatrix, type Matrix };