v1.1: FFmpeg v7 compat + more arg methods

What's Changed

• Make README.md example same as /examples/ one by @Sobieg in #30
• Add two new options for video-options by @bvc3at in #32
• Fix for FFmpeg v7: "KiB" filesize units in progress updates, reported by @lovesegfault in #33

New Contributors

• @Sobieg made their first contribution in #30
• @bvc3at made their first contribution in #32

Full Changelog: v1.0.1...v1.1