rename exportedEqual to isEqual (#59)

Author: chrisbolin

index.d.ts

@@ -1,4 +1,4 @@
 declare module 'react-fast-compare' {
-  const exportedEqual: (a: any, b: any) => boolean
-  export default exportedEqual
+  const isEqual: (a: any, b: any) => boolean
+  export default isEqual
 }

index.js

@@ -111,7 +111,7 @@ function equal(a, b) {
 }
 // end fast-deep-equal
 
-module.exports = function exportedEqual(a, b) {
+module.exports = function isEqual(a, b) {
   try {
     return equal(a, b);
   } catch (error) {