fix(core): update

ts/domtools.css.ts

@@ -0,0 +1,7 @@
+export const cssGridColumns = (amountOfColumnsArg: number, gapSizeArg: number) => {
+  let returnString = ``;
+  for (let i = 0; i < amountOfColumnsArg; i++) {
+    returnString += ` calc((100%/${amountOfColumnsArg}) - (${gapSizeArg * (amountOfColumnsArg - 1)}px/${amountOfColumnsArg}))`;
+  }
+  return returnString;
+};