feat: screenshots of problems pages

Signed-off-by: A. Prooks <aprooks@live.ru>
Merge pull request #3 from ChrisBoesch/master

merging back
chore: fully updated screenshots

Signed-off-by: A. Prooks <aprooks@live.ru>
Update AnswerPayload schema
Parse answer to integer
Merge pull request #31 from dinoboff/fix-post-answer

Update AnswerPayload schema
Fix answer call
Fix it again
Update the test
Merge pull request #32 from dinoboff/fix-post-answer

Fix post answer
Merge pull request #25 from aprooks/master

fully updated screenshots set
Merge pull request #23 from aprooks/feature/createProblem

feat: screenshots of problems pages