Added flag for operator only features

[bexsoft]

fixes #143

What does this do?

Added flag to only enable operator endpoints / links in mcs

How to test

• Enable MCS_OPERATOR_ONLY flag as "on" before running server
• Run server as usual

[cesnietor]

we should remove the Remove this: Test XD

[cesnietor]

also the assets were not built

[bexsoft]

Remove this: Tes

I couldn't find this test :/

[cesnietor]

Remove this: Tes

I couldn't find this test :/

it is in ListClusters.tsx.

<Grid item xs={12}>
          REMOVE THIS:: <Link to={"/clusters/demoCluster"}>Test</Link>
          <br />
        </Grid>

[bexsoft]

Remove this: Tes

I couldn't find this test :/

it is in ListClusters.tsx.

<Grid item xs={12}>
          REMOVE THIS:: <Link to={"/clusters/demoCluster"}>Test</Link>
          <br />
        </Grid>

Removed :)

[cesnietor]

LGTM

[cesnietor]

tested LGTM