Merge branch 'eswatini' into 'master'

Eswatini

See merge request gridtracker.org/gridtracker!107

package.nw/data/dxcc.json

@@ -29436,7 +29436,7 @@
       "type":"Feature",
       "properties":{
         "dxcc_prefix":"3DA",
-        "dxcc_name":"Swaziland",
+        "dxcc_name":"Kingdom of Eswatini",
         "dxcc_entity_code":468,
         "center":[
           31.30315500685871,