Add UK countries as dependent territories in inclusion rules

CONTRIBUTING.md

@@ -66,7 +66,7 @@ In order for a geographical entity to be included in the deck, it must:
 
 ### Political geography
 
-Inclusion rules for political entities are documented and put into use in [political-entities.xlsx]. They were discussed in [#137][ref137], [#221][ref221], [#306][ref306] and [#312][ref312].
+Inclusion rules for political entities are documented and put into use in [political-entities.xlsx](political-entities.xlsx). They were discussed in [#137][ref137], [#221][ref221], [#306][ref306], [#312][ref312] and [#361][ref361].
 
 A political entity can be included either fully (map, capital and flag) or partially (with only a map). In the rare case where a political entity belongs to more than one of the below categories, it will only be considered in the first category of which it's a member.
 
@@ -77,7 +77,9 @@ A political entity can be included either fully (map, capital and flag) or parti
 
 #### Dependent territories
 
-- Source: https://en.wikipedia.org/wiki/Dependent_territory
+- Sources:
+  - https://en.wikipedia.org/wiki/Dependent_territory
+  - https://en.wikipedia.org/wiki/Countries_of_the_United_Kingdom
 - Specifically, inhabited dependent territories.
 - Criteria for inclusion with map: `population >= 15,000 OR area >= 1,000 km2`
 - Criteria for inclusion with map, capital and flag: `(population >= 15,000 AND area >= 1,000 km2) OR population >= 100,000`
@@ -297,3 +299,4 @@ Content changes, such as adding a note, replacing an image, or translating the d
 [ref247]: https://github.com/axelboc/anki-ultimate-geography/pull/247
 [ref306]: https://github.com/axelboc/anki-ultimate-geography/pull/306
 [ref312]: https://github.com/axelboc/anki-ultimate-geography/pull/312
+[ref361]: https://github.com/axelboc/anki-ultimate-geography/pull/361