Update docs for docereeadmanager bidder(docereeadmanager.md) (prebid#5241)

* added dev docs for docereeAdManager

* dev-docs added for docereeadmanager

* issues fixed

* issues fixed for multiple lines

* issue fixes

* placement Id changed

* Created docereeadmanager.md for prebid docs

---------

Co-authored-by: sagar4596 <132884303+sagar4596@users.noreply.github.com>
Co-authored-by: lokesh-doceree <Lokesh.Kumar@doceree.com>

Author: 3 people

dev-docs/bidders/docereeadmanager.md

@@ -0,0 +1,29 @@
+---
+layout: bidder
+title: Doceree AdManager
+description: Doceree AdManager Prebid Bidder Adapter
+pbjs: true
+biddercode: docereeadmanager
+media_types: banner
+gvl_id: 1063
+tcfeu_supported: true
+userIds: all (with commercial activation)
+sidebarType: 1
+schain_supported: true
+safeframes_ok: true
+deals_supported: true
+floors_supported: true
+fpd_supported: false
+privacy_sandbox: no
+
+---
+
+### Bid Params
+
+{: .table .table-bordered .table-striped }
+| Name                | Scope    | Description    | Example                   | Type     |
+|-------------------|----------|----------------|---------------------------|----------|
+| `placementId`     | required | Placement Id   | `'DOC-19-1'`  | `string` |
+| `publisherUrl`     | optional | Current url    | `https://doceree.com`     | `string` |  
+| `gdpr`             | optional | Flag to check if gdpr applies   | `1`      | `string` |
+| `gdprConsent`     | optional | URL-safe base64-encoded Transparency & Consent string   | `CPQfU1jPQfU1jG0AAAENAwCAAAAAAAAAAAAAAAAAAAAA.IGLtV_T9fb2vj-_Z99_tkeYwf95y3p-wzhheMs-8NyZeH_B4Wv2MyvBX4JiQKGRgksjLBAQdtHGlcTQgBwIlViTLMYk2MjzNKJrJEilsbO2dYGD9Pn8HT3ZCY70-vv__7v3ff_3g`      | `string` |