Provide http.models migration recipes

[jairmyree]

This issue is for the discussion and tracking of tasks related to the migration to io.clientcore.core.http.model using OpenRewrite recipes.

Module Changes

This list indicates a set of changes characterized by a translation of fully-qualified types.
(ex. com.azure.core.module-name to io.clientcore.module-name)

API Changes

This list indicates a set of changes characterized by a translation of functionality exposed via the public API.
(ex. client.setString(String value) -> client.setEnum(EnumType type))

• Extensions of Header should be replaced with HttpHeader
• HttpHeader constructor is replaces string argument with HttpHeaderName
• HttpHeader.getName() now returns HttpHeaderName instead of String. Customer code will need to be updated to call getCaseSensitiveName()
• HttpHeader,getValue() now returns List instead of String[]