Refactor decimalCount method and add it on a file to be used in many components

src/utils/decimalCount.ts

@@ -0,0 +1,7 @@
+export const decimalCount = (num: number): number => {
+  const numStr = String(num);
+  if (numStr.includes(".")) {
+    return numStr.split(".")[1].length;
+  }
+  return 0;
+};