v0.15.2

The main features of this release are multiline support and io::Read support.
The docs for the dotenvy crate have also been rewritten. Examples are also updated.

Added

• Multiline support (PR #3) by hoijui
• from_read and from_read_iter (PR #5) by Kevin M Granger

Changed

• doc rewrite (commit 1a45555) by allan2
• doc link improvement formatting (PR #6) by Kevin M Granger
• dependency bump (clap 3.1 to 3.2)