Add `gdalwarp`'d georeferenced overlay image

What's Changed

• Full-screen-panes by @frankhereford in #60
• Update README.md by @frankhereford in #58
• Render-in-the-ui by @frankhereford in #62
• did the exact opposite as i thought i would when i named the branch by @frankhereford in #63
• Add-transparency-slider by @frankhereford in #64

Full Changelog: v1.0.0...v1.1.0