Gitea v1.18.3.1

What's Changed

• Add note to readme about http/ssh over .local (#6) by @BBlackwo in #12
• fix copyable command by @elvece in #11
• update to 1.18.3 and add smtp settings by @chrisguida in #13
• fix migration, remove superflous nesting in config by @chrisguida in #14

Full Changelog: v1.16.9.2...v1.18.3.1