feat: add preferable country guesser

[paul-thebaud]

Proposed Changes

• New interface PreferableCountryGuesser which extends the CountryGuesser interface: it adds a setPreference(country: CountryIso2): void method to customize the preferred country (and so bypass the guess).
• MemoIp2cCountryGuesser and StorageMemoIp2cCountryGuesser are implementing this new interface
• Phone input will call setPreference when the country changes (only if the countryGuesser is a PreferableCountryGuesser)

[codecov[bot]]

Codecov Report

Merging #3 (2001632) into main (064eebd) will increase coverage by 0.17%. The diff coverage is 100.00%.

:exclamation: Current head 2001632 differs from pull request most recent head 02f4414. Consider uploading reports for the commit 02f4414 to get more accurate results

@@            Coverage Diff             @@
##             main       #3      +/-   ##
==========================================
+ Coverage   95.14%   95.32%   +0.17%     
==========================================
  Files          24       25       +1     
  Lines         371      385      +14     
  Branches       71       73       +2     
==========================================
+ Hits          353      367      +14     
  Misses         16       16              
  Partials        2        2              

Impacted Files	Coverage Δ
src/components/VPhoneInput.vue	96.19% <100.00%> (+0.06%)	:arrow_up:
src/utils/countries/ip2cCountryGuesser.ts	100.00% <100.00%> (ø)
src/utils/countries/isPreferableCountryGuesser.ts	100.00% <100.00%> (ø)
src/utils/countries/memoIp2cCountryGuesser.ts	100.00% <100.00%> (ø)
...c/utils/countries/storageMemoIp2cCountryGuesser.ts	100.00% <100.00%> (ø)

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