Advanced stats for patreon supporters (#1222)

* auth works

* Works after review.

* switched to auth flow

* all works well in chrome

* all works well in chrome and firefox

* translations harmonized

* translations harmonized

* website translations

* Translations harmonized.

* Everything kinda works

* Almost works

* all works

* all works

* all works #2

* Streamline premium analytics range handling

* Restore premium analytics selection flow

* Fix analytics zoom interactions

* Add per-section expansion controls to premium analytics

* Adjust map legend visibility for premium analytics

* Add missing country synonyms for premium map

* Remove legacy premium badge overlay

* Polish premium analytics controls for light theme

* Refresh map legend when toggling sections

* Improve light-mode styling for range selectors

* Fix map mode switching regression

* Fix for panel expand

* Typo fix

* webpack fix

* before next steps.

* split, zero-buckets

* bucket size indicated on UI

* all works

* first/last toggle

* breadcrumbs

* release

CONTRIBUTINGde.md

@@ -1,4 +1,4 @@
-Read this in other languages: [русский](CONTRIBUTINGru.md), [Nederlands](CONTRIBUTINGnl.md), [Français](CONTRIBUTINGfr.md), [Türkçe](CONTRIBUTINGtr.md), [українська](CONTRIBUTINGuk.md), [Polski](CONTRIBUTINGpl.md), [العربية](CONTRIBUTINGar.md), [Bahasa Indonesia](CONTRIBUTINGid.md), [中文](CONTRIBUTINGcn.md)
+Read this in other languages: [English](CONTRIBUTING.md), [العربية](CONTRIBUTINGar.md), [Azərbaycan dili](CONTRIBUTINGaz.md), [български](CONTRIBUTINGbg.md), [中文](CONTRIBUTINGcn.md), [Dansk](CONTRIBUTINGda.md), [Deutsch](CONTRIBUTINGde.md), [Español](CONTRIBUTINGes.md), [Français](CONTRIBUTINGfr.md), [Ελληνικά](CONTRIBUTINGgr.md), [Magyar](CONTRIBUTINGhu.md), [Bahasa Indonesia](CONTRIBUTINGid.md), [日本語](CONTRIBUTINGja.md), [한국어](CONTRIBUTINGkr.md), [Nederlands](CONTRIBUTINGnl.md), [Polski](CONTRIBUTINGpl.md), [Português do Brasil](CONTRIBUTINGpt_BR.md), [русский](CONTRIBUTINGru.md), [Svenska](CONTRIBUTINGsv.md), [Türkçe](CONTRIBUTINGtr.md), [українська](CONTRIBUTINGuk.md), [Tiếng Việt](CONTRIBUTINGvi.md)
 
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