add missing some countries in citycode.txt

[github4jiawen]

First of all, Thank you for this lib!

I found some countries missing from citycode.txt in my recent script, here

ag;Antigua and Barbuda
bs;Bahamas
bb;Barbados
km;Comoros
dm;Dominica
fj;Fiji
gd;Grenada
vu;Vanuatu
kn;Saint Kitts and Nevis
ss;South Sudan
to;Tonga
tt;Trinidad and Tobago
ws;Samoa

please update https://erdogant.github.io/datasets/SVG_MAPS.zip

[erdogant]

Thank you for pointing this out. I updated the records!