feat: add manifests for odh extras resources for editor and viewer role, part of fix for RHOAIENG-5112

[dhirajsb]

Description

Added kustomize manifest config/overlays/odh/extras/ for extra odh resources for editor and viewer role to start Part of fix for RHOAIENG-5112

How Has This Been Tested?

Merge criteria:

• [X] The commits and have meaningful messages; the author will squash them after approval or will ask to merge with squash.
• [X] Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• [X] The developer has manually tested the changes and verified that the changes work

[dhirajsb]

@zdtsw @VaishnaviHire moving role creation to extras kustomize manifest in model registry operator. I'll update the old Pr for role creation with applying these manifests instead.