Refactor validation

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

src/utilities/index.ts

@@ -2,7 +2,6 @@ export {
   getContrastColor,
   isHexColor,
   isRgbColor,
-  isValidColor,
   rgbToHex,
   generateRandomColor,
 } from './color';
@@ -16,3 +15,10 @@ export {
 } from './filesystem';
 export { isPermissionForPath, clearPermissions } from './permissions';
 export { getSortIcon, getViewIcon } from './icon';
+export {
+  type StringValidationResult,
+  validateMemeTitle,
+  validateMemeDescription,
+  validateTagName,
+  validateColor,
+} from './validation';