Limelight New Adapter: Nuclion (#6542)

* Remove required host from Limelight prebid server adapters

* revert changes

* revert changes

* new adapter Nuclion

* fix lint errors

* Update dev-docs/bidders/nuclion.md

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

---------

Co-authored-by: apykhteyev <alex@project-limelight.com>
Co-authored-by: belousovdmitry <belousov.dmitry92@gmail.com>
Co-authored-by: maksimD24 <129727954+maksimD24@users.noreply.github.com>
Co-authored-by: mderevyanko <mderevyanko24@gmail.com>
Co-authored-by: Muki Seiler <muuki88@users.noreply.github.com>

Author: 5 people

dev-docs/bidders/nuclion.md

@@ -0,0 +1,41 @@
+---
+layout: bidder
+title: Nuclion
+description: Prebid Nuclion Bidder Adaptor
+biddercode: nuclion
+pbjs: true
+pbs: false
+media_types: video, banner
+userIds: all
+fpd_supported: false
+tcfeu_supported: false
+usp_supported: true
+coppa_supported: true
+schain_supported: true
+prebid_member: false
+ortb_blocking_supported: true
+multiformat_supported: will-bid-on-one
+floors_supported: false
+aliasCode: limelightDigital
+sidebarType: 1
+---
+
+## Bid Params
+
+{: .table .table-bordered .table-striped }
+
+| Name          | Scope    | Description                                         | Example              | Type      |
+|---------------|----------|-----------------------------------------------------|----------------------|-----------|
+| `host`        | required | Ad network's RTB host                               | `'rtb-nuclion.io'`   | `string`  |
+| `adUnitId`    | required | Ad Unit Id will be generated on Nuclion Platform.   | `42`                 | `integer` |
+| `adUnitType`  | required | Type of Ad Unit (`'video'`, `'banner'`)             | `'banner'`           | `string`  |
+| `publisherId` | required | Publisher ID                                        | `12345`              | `integer` |
+| `custom1`     | optional | Custom targeting field 1                            | `'custom1'`          | `string`  |
+| `custom2`     | optional | Custom targeting field 2                            | `'custom2'`          | `string`  |
+| `custom3`     | optional | Custom targeting field 3                            | `'custom3'`          | `string`  |
+| `custom4`     | optional | Custom targeting field 4                            | `'custom4'`          | `string`  |
+| `custom5`     | optional | Custom targeting field 5                            | `'custom5'`          | `string`  |
+
+Nuclion server-side Prebid Server adapter requires only `publisherId` and `host` parameters. But Nuclion client-side Prebid.js adapter requires only `host`, `adUnitId`, `adUnitType`.
+
+Nuclion server-side Prebid Server adapter supports only `banner`, `video`, `audio`, `native` media types. But Nuclion client-side Prebid.js adapter supports only `banner` and `video` media types, doesn't support `audio` and `native`.