Add NATS and STAN Ballerina lang clients

[aashikam]

Description

Ballerina lang provides support for NATS and NATS streaming. It would be great if you could mention the Ballerina clients for NATS and NATS streaming in nats.io.

References

Ballerina:
Site: https://ballerina.io/
Central: https://swanlake.central.ballerina.io/

NATS client:
Package: ballerinax/nats
Latest: https://swanlake.central.ballerina.io/ballerinax/stan/1.1.0-alpha5
Source: https://github.com/ballerina-platform/module-ballerinax-nats

NATS streaming client:
Package: ballerinax/stan
Latest: https://swanlake.central.ballerina.io/ballerinax/nats/1.1.0-alpha5
Source: https://github.com/ballerina-platform/module-ballerinax-stan

[gcolliso]

Thank you @aashikam - Ballerina for NATS & STAN have been added to our Connectors & Utilities #614 https://nats.io/download/#connectors-and-utilities

[aashikam]

@gcolliso Nice!
Another small suggestion: #615