Eupub 0.3.0

What's Changed

• Bundle the LICENSE into the packaged app by @ossiak in #5
• Fix the iOS app coming up blank on device; add its app icon by @ossiak in #6
• Expose the iOS app's Documents folder for sideloading books by @ossiak in #7
• Add PDF support to the iOS app by @ossiak in #8
• Create the Documents folder on iOS launch so sideloading works by @ossiak in #9
• ios: iPhone-only portrait + declare encryption exemption for App Store by @ossiak in #10

Full Changelog: v0.2.3...v0.3.0