Implement each region generation

defs/regions/roots/africa.txt

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+algeria
+angola
+benin
+botswana
+burkina-faso
+burundi
+cameroon
+canary-islands
+cape-verde
+central-african-republic
+chad
+comores
+congo-brazzaville
+congo-democratic-republic
+djibouti
+egypt
+equatorial-guinea
+eritrea
+ethiopia
+gabon
+ghana
+guinea
+guinea-bissau
+ivory-coast
+kenya
+lesotho
+liberia
+libya
+madagascar
+malawi
+mali
+mauritania
+mauritius
+morocco
+mozambique
+namibia
+niger
+nigeria
+rwanda
+saint-helena-ascension-and-tristan-da-cunha
+sao-tome-and-principe
+senegal-and-gambia
+seychelles
+sierra-leone
+somalia
+south-africa
+south-sudan
+sudan
+swaziland
+tanzania
+togo
+tunisia
+uganda
+zambia
+zimbabwe