0.3.3 Metadata support , PDf To image enhancement and extra languages

Added metadata support to change or remove metadata from a PDF
Added support for multi page pdf to image conversions to either multi image or single big image
Removed calls to 3rd party websites for JS so application can be hosted fully locally

@Sf298
Has added support for French and Arabic

0.3.2 Language support

• Added multi-language support
• Support for german #37 special thanks to @louiskram
• Rotation UI for rotate PDF thanks to @Sf298
• New icon thanks to @mms-gianni
• Bug fixes
• Minor improvements

0.3.0 Security features update

• Support for adding and removing passwords
• Support for watermarks
• Dedicated page remover
• Support for PDF permissions
• Removed endpoint /home and replaced with /
• Code cleanups
• Fixed page titles