[Form] Added the 'range' FormType

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | yes
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #11979
| License       | MIT
| Doc PR        | 

Implemented the "range" FormType.
I was not sure. Should I remove the line from the PR?