Add Arabic translation, 3 bugfixed

For the first time, I received an official donation on QuickViewer's OpenColletitive.
Thank you!
This money will be used to continue the project.

• add Arabic translation(contributed by MFM Dawdeh)
• bugfixed: When an image is being reduced and read (mainly JPEG), the image was not displayed at the correct display magnification.
  • reported by @ted423 on issue #113
• bugfixed: When the display magnification of the image is changed in bilinear, it is displayed in the nearest neighbor
  • reported by @d-uzlov on issue #121
• bugfixed: failed to open an archive or image file that contains a dot (.) In the PATH or file name other than the
  extension.
  • reported by @tomchr9 on issue #116