Release v0.11.0

What's Changed

• Add a general-config feature to add all countries to RegionCodeList by @danielhuppmann in #262
• Import (region) definitions from other repository by @danielhuppmann in #264
• Add a module for translating between country names and alpha-2/3 codes by @danielhuppmann in #263
• Include definitions from GitHub repo by @phackstock in #265
• Improve the docs of the countries feature by @danielhuppmann in #266
• Rename US/British Virgin Islands in countries module by @danielhuppmann in #269
• Import mappings from external repo by @phackstock in #268
• Add config docs by @phackstock in #271

Full Changelog: v0.10.1...v0.11.0