Adding support for new countries

Add the following flags:

• Xinjiang (cn-xj)
• Earth
• East African Federation
• Catalonia (es-ct)
• Abkhazia (ge-ab)
• West Java (id-jb)
• Central Java (id-jt)
• Gujarat (in-gj)
• Odisha (in-or)
• Tamil Nadu (in-tn)
• Friesland (nl-fr)
• Olympics
• Tatarstan (ru-ta)
• Soviet Union (su)
• Torres Strait Islands
• gp Guadeloupe
• gs South Georgia and the South Sandwich Islands
• mf Saint-Martin
• nc New Caledonia
• pm Saint Pierre and Miquelon
• re Réunion
• sh-ac Ascension Island
• sh-hl Saint Helena
• sh-ta Tristan da Cunha
• tf French Southern Territories
• wf Wallis and Futuna
• yt Mayotte
• bv Bouvet Island → no Norway
• hm Heard Island and McDonald Islands → au Australia
• sj Svalbard and Jan Mayen → no Norway
• um United States Minor Outlying Islands → us United States of America