This commit apply the following changes:
- Remove leading whitespaces
- Apply fill-paragraph to justify answers' paragraphs.
- Add question: how to define/change an evil-leader prefix?
- Add question: user-init or user-config?
Add a release note about the limitation of org loading since 0.105, and
also document it in the org-layer's README.
Close#3277
Move note to FAQ and correct text to 0.104