Yandex Analytics Adapter: initial release (#5052)

* Yandex Metrica

* Fixed yaml table

* Fixed bare URLs

* Update dev-docs/analytics/yandex.md

Co-authored-by: Muki Seiler <muuki88@users.noreply.github.com>

* Update dev-docs/analytics/yandex.md

Co-authored-by: Muki Seiler <muuki88@users.noreply.github.com>

* Update dev-docs/analytics/yandex.md

Co-authored-by: Muki Seiler <muuki88@users.noreply.github.com>

* Update dev-docs/analytics/yandex.md

Co-authored-by: Muki Seiler <muuki88@users.noreply.github.com>

* Global domain, yandex.com

* Synced docs with code logic

---------

Co-authored-by: Muki Seiler <muuki88@users.noreply.github.com>

dev-docs/analytics/yandex.md

@@ -0,0 +1,36 @@
+---
+layout: analytics
+title: Yandex Metrica
+description: Track your Prebid.js in Yandex Metrica
+modulecode: yandexAnalytics
+---
+
+# Description
+
+This adapter is designed to work with [Yandex Metrica](https://metrica.yandex.com/about) - a web analytics tool.
+
+{: .alert.alert-warning :}
+Disclosure: provider use Metrica Tag build based on [github.com/yandex/metrica-tag](https://github.com/yandex/metrica-tag), ~60 kB gzipped.
+
+## How to setup provider
+
+Register your application on [metrica.yandex.com](https://metrica.yandex.com/) and get counter id
+
+Insert counter initialization code obtained from the page [https://metrica.yandex.com/settings?id={counterId}](https://metrica.yandex.com/settings?id={counterId}) into your html code.
+
+Init provider like this, where `123` is your counter id.
+
+Note: If you have Single Page Application (SPA), [configure your tag](https://yandex.com/support/metrica/code/counter-spa-setup.html).
+
+```javascript
+pbjs.enableAnalytics({
+    provider: 'yandexAnalytics',
+    options: {
+        counters: [123],
+    },
+});
+```
+
+## Where to find data
+
+Go to [metrika.yandex.com/dashboard](https://metrika.yandex.com/dashboard) -> Prebid Analytics