fix(app): fix problems caused when packaging

fix: column 'designated_role' empty bug(#64)

feat: add question bank module

docs: update zh-doc.md

docs: update zh-doc.md

fix(profile): add profile key length verification(#45)

opt(prompt): Increase the number of questions generated

docs: update zh-doc.md

Merge pull request #20 from codeacme17/feat-dev

feat: completed the development of signle-choice feature

version: 0.2.0