docs: updates list of countries in country-map-tools.mdx (#27596)

Co-authored-by: Evan Rusackas <evan@preset.io>

docs/docs/miscellaneous/country-map-tools.mdx

@@ -16,38 +16,106 @@ code is less ambiguous and is unique to all regions in the world.
 
 ## Included Maps
 
+The current list of countries can be found in the src
+[legacy-plugin-chart-country-map/src/countries.ts](https://github.com/apache/superset/blob/master/superset-frontend/plugins/legacy-plugin-chart-country-map/src/countries.ts)
+
 The Country Maps visualization already ships with the maps for the following countries:
 
+-  Afghanistan
+-  Albania
+-  Algeria
+-  Argentina
+-  Australia
+-  Austria
 -  Belgium
+-  Bolivia
 -  Brazil
 -  Bulgaria
+-  Burundi
 -  Canada
+-  Chile
 -  China
+-  Colombia
+-  Costa Rica
+-  Cuba
+-  Cyprus
+-  Denmark
+-  Dominican Republic
+-  Ecuador
 -  Egypt
+-  El_salvador
+-  Estonia
+-  Ethiopia
 -  France
+-  France Regions
+-  Finland
 -  Germany
+-  Guatemala
+-  Haiti
+-  Honduras
+-  Iceland
 -  India
+-  Indonesia
 -  Iran
 -  Italy
+-  Italy Regions
 -  Japan
+-  Jordan
+-  Kazakhstan
+-  Kenya
 -  Korea
+-  Kuwait
+-  Kyrgyzstan
+-  Latvia
 -  Liechtenstein
+-  Lithuania
+-  Malaysia
+-  Mexico
 -  Morocco
 -  Myanmar
 -  Netherlands
+-  Nicaragua
+-  Nigeria
+-  Norway
+-  Oman
+-  Pakistan
+-  Panama
+-  Papua New Guinea
+-  Paraguay
+-  Peru
+-  Philippines
 -  Portugal
+-  Poland
+-  Puerto_rico
+-  Qatar
 -  Russia
+-  Rwanda
+-  Saint Barthelemy
+-  Saint Martin
+-  Saudi Arabia
 -  Singapore
+-  Slovenia
 -  Spain
+-  Sri Lanka
+-  Sweden
 -  Switzerland
 -  Syria
+-  Tajikistan
+-  Tanzania
 -  Thailand
 -  Timorleste
 -  Turkey
-- UK
+-  Turkey Regions
+-  Turkmenistan
+-  Uganda
+-  Uk
 -  Ukraine
+-  United Arab Emirates
 -  Uruguay
 -  USA
+-  Uzbekistan
+-  Venezuela
+-  Vietnam
 -  Zambia
 
 ## Adding a New Country