`transform` Addtions (WIP)

Just jotting down notes for after https://github.com/epoberezkin/ajv-keywords/pull/64 is merged

- [ ] Allow options, similar to `dynamicDefaults`
- [ ] `toEnumCase` have option to ignore certain char when determining uniqueness ie strip out `,` and `-`
- [ ] replace string or regex
- [ ] strip html tags w/ options (alias of replace w/ defaults)

- [ ] review idea of having addons for more complex/custom transforms
- [ ] xss
- [ ] leftPad/rightPad/regexPad/patternCoerce string. ie `1:45` -> `01:45:00.000`
- [ ] floor/ceil number

**Options: (WIP)**
```json
{
"type":"object",
"transforms":{
"$defaults":{
},
"name":{
"toEnumCase":{"ignorePattern":"[\.]", "ignore":[",","-"]}
},
"time":{

}
}
}
```

Ref: https://github.com/epoberezkin/ajv-keywords/pull/64