GPG Key placement and documentation

[svahsek]

GPG Key placement and documentation

Instructions:

• https://mosip.atlassian.net/wiki/spaces/NFR/pages/2622128132/GPG+migration
• https://mosip.atlassian.net/wiki/spaces/NFR/pages/2639495193/KeyServerUpdate

Examples:

• https://infra.apache.org/release-signing.html
• https://github.com/nodejs/node#release-keys

[svahsek]

First draft reviewed by Mahesh, He wants some corrections, we discussed this, I will adopt the corrections and then we are good to publish.

[svahsek]

Gpg rotation to be done by @ckm007 and has to share the keys with docs, we we can publish it and make community announcement.
CC: @HariKrishnaReddyP696