[RF-DOCS] Action View Helpers Documentation [ci-skip] (rails#51432)

Review and improve the Action View Helpers guide.

- Reorganize sections, in most cases moving most commonly used helpers up, grouping some of the formatting ones together
- Expand with more examples and a few new methods
- Link back to the API of each helper whenever possible
- Remove WIP

Co-authored-by: Carlos Antonio da Silva <[email protected]>

Author: Ridhwana