Add Azores Islands flag and Madeira Islands flag under Other Flags

[nunoarruda]

https://en.wikipedia.org/wiki/Azores#/media/File:Flag_of_the_Azores.svg
https://en.wikipedia.org/wiki/Madeira#/media/File:Flag_of_Madeira.svg

[p2made]

See my pull request #1354.