440-Organize copier questions

[fdiblen]

Checklist

• [X] I have read the contribution guidelines
• [X] This update is in line with what is recommended in the Python chapter of the Guide
• [X] All user facing changes have been added to CHANGELOG.md

Description:

• splitted copier.yml into multiple files and placed under copier/ folder. Here are the new yaml files:
  • questions/
  • essential.yml: questions asked for every profile
  • features.yml: questions about (optional) features
  • package_details.yml: extra questions about package meta data
  • messages.yml: messages for the users
  • profiles.yml: profile selection
  • settings.yml: general settings for copier
• updated the profile question
• updated the validator text for package_name question
• using placeholder for most of the questions
• added help field for the questions missing that field
• added extra question to ask if user wants to add more information about the package
• added skip setting which ignores some files when merging
• fixed the full_name field in docs/conf.py
• updated the unit tests to work with placeholders
• made Apache 2.0 the default license

Related issues:

• 440

• 495

• 479

• 483

Instructions to review the pull request

Generate packages with different feature combinations and check if you get the expected results.

cd $(mktemp -d --tmpdir py-tmpl-XXXXXX)
copier copy --vcs-ref 440_default_values https://github.com/nlesc/python-template test_copier

# Create a local git repo to push to GitHub to trigger CI actions
cd test_copier
git init
git add --all
git commit -m "First commit"
git remote add origin git@github.com:<you>/python-template-test.git
git push -u origin main -f