Allow a user to disable an email account by setting
`accounts.email.accounts.<name>.enable = false`. This is useful if
someone wants to configure email accounts globally but only use them in
certain circumstances.
Everywhere email account configuration is used, check if the account is
enabled before checking any attributes of the account.
Move all inlined news entries from news.nix into separate files
organized
by year and month. This makes the news system more maintainable and
easier to navigate.
- Extract 202 inlined entries to individual files in YYYY/MM directory
structure
- Update news.nix to only contain the module definition
- Use recursive directory traversal to find all news entries