[Improvement] Distinguish between officially released clusters and experimental clusters

[ruijun2002]

Some clusters that have not been officially released can be enabled in addon, and these clusters need to be labeled as experimental for users to understand. i.e. weaviate, milvus, qdrant.

kb addon list
NAME                           TYPE   STATUS     EXTRAS         AUTO-INSTALL   AUTO-INSTALLABLE-SELECTOR
weaviate                       Helm   Enabled                   true
redis                          Helm   Enabled                   true
qdrant                         Helm   Enabled                   true
milvus                         Helm   Enabled                   true
mongodb                        Helm   Enabled                   true
apecloud-mysql                 Helm   Enabled                   true
postgresql                     Helm   Enabled                   true

[nayutah]

We can give more tags for the addon

[shanshanying]

VERSION field is good enough.