TODO: [🥴] Implement counting in formats - like JSON, CSV, XML,...
TODO: [🍓] Add splitInto functions to `@promptbook/utils` besides all the `count` functions
-   Add `countCharacters` -> `splitIntoCharacters`
-   Add `countLines` -> `splitIntoLines`
-   Add `countPages` -> `splitIntoPages`
-   Add `countParagraphs` -> `splitIntoParagraphs`
-   Add `countSentences` -> `splitIntoSentences`
-   Add `CountUtils` -> `splitIntoUtils`
-   Add `countWords` -> `splitIntoWords`