Romanian translation and minor fixes

Merge pull request #157 from covidpass-org/dev

Romanian translation and minor fixes

Minor viewer and content fixes

• Improve the QR code viewer
• Unify pass names
• Fix link to Apple privacy site

Improve QR code viewer

• Remove the pass fragment from the URL after opening the link
• Close the QR code viewer as soon as the tab is unfocused
• Fix Greek translation

Added QR code viewer

• Added QR code viewer to enlarge it
• Minor fix of button behavior

Minor fixes and layout improvements

• Bigger add to wallet button
• Fixed the decoder for French third doses
• Fixed the Swedish translation
• Downgraded to Next.js 11 for better stability
• Upgraded to Node.js 16 (LTS)
• Added alt text and credits to the pass

Swedish translation and layout improvements

• Swedish translation
• Warning when not using Safari
• Share and support buttons
• Minor textual changes

Upgrade to Next.js 12

Merge pull request #121 from covidpass-org/next12

Upgrade to Next.js 12

Norwegian translation

Merge pull request #110 from covidpass-org/localization

Norwegian Translation

Support JPEG and other image formats

• Support for JPEG, GIF and WebP
• More stable image QR recognition by scaling down images before scanning

Spanish translation

Merge pull request #73 from covidpass-org/dev

Spanish translation