Using Spring-web framework, Maven, and Java:

Implement Design Controller validations and POST method to process fighter and add it to the hero pool

- Implement process hero method with POST signature

- Add validation that requires all of the fields to be populated

- Add validation that health must be more than 1000

- Add validation that damage must be less than 100

- Add validation that resistance must be from 0 to 10 and double the value

- Make sure that validation is properly working on Form Submission

- Provide messages on the design page that guide users to fix issues

Please provide the codes. Thank you.