[v0.3.0] - Outlook Classic integration, portable installation, and bug fixes

What's Changed

• Feature: Introduce a non vcpkg build option by @ifexception in #9
• [v0.3] Feature: Outlook (classic) integration by @ifexception in #10
• [v0.3.*] Feature: Portable installation by @ifexception in #11

Full Changelog: v0.2.8...v0.3.0

fix portable installation having pre-setup toml file