Implementation of RegistryOffice 2.1.2

Implementation of RegistryOffice 2.1.2

This release contains,

• implementation of the individual services
• BasicServices incorporated from npm package onf-core-model-ap-bs+2.1.2
• Application pattern modules incorporated from npm package onf-core-model-ap+2.1.2
• Functionalities supported in this release shall be find in this umbrella issue #609

Open Issues :

#619

What's Changed

• IswaryaaS/issue609 by @IswaryaaS in #613
• IswaryaaS/issue614 by @IswaryaaS in #615
• Updated onf-core-model-ap & onf-core-model-ap-bs version 2.1.2 by @sunil-kumar-meena in #620

Full Changelog: v2.1.2_spec...2.1.2_impl