chore(charts): update readme and values on v2 chart

* chore(charts): update readme on v2 chart and soft-deprecate v1

Signed-off-by: SkalaNetworks <contact@skala.network>

* chore(doc): update helm README

Signed-off-by: SkalaNetworks <contact@skala.network>

* chore(helm): add warning for conversion

Signed-off-by: SkalaNetworks <contact@skala.network>

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Signed-off-by: SkalaNetworks <contact@skala.network>

Author: SkalaNetworks