Add /images and /flavours apis to the vj backend to fetch images and flavours from PCD

[patil-pratik-87]

What steps did you take and what happened?

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What did you expect to happen?

Add /images and /flavours apis to the vj backend to fetch images and flavours from PCD as it is. No modifications are needed in the response.

This is inline with the pattern of having a proxy to PCD, as and when we implement

Environment

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vCenter version

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Anything else you would like to add?

No response

[huly-for-github]

Connected to Huly®: VJAIL-216