* fix(guide) add stubs and correct file path misspellings and pr… (#36528)
* fix: corrected file path to match curriculum
* fix: renamed to newer challenge name
* fix: added solutions to articles from challenge files
* fix: added missing .english to file name
* fix: added missing title to guide article
* fix: correct solution for guide article
* fix: replaced stub with hint
* fix: added space in Hint headers
* fix: added solution to guide article
* fix: added solution to guide article
* test: replaced stub with hint and solution
* fix: add Problem number: to title
* fix: changed generatorexponential to correct name
* fix: renamed knight's tour to knights-tour
* fix: updated guide article
