Add missing license and manifests to the instrumentation packages.

[lzchen]

Continued from #616

[Sunilwali679]

@lzchen I am seeing the manifest file is missing in the below directory and it should be more . is this required to add the files in the below folder are not

https://github.com/open-telemetry/opentelemetry-python-contrib/tree/main/instrumentation/opentelemetry-instrumentation-confluent-kafka
https://github.com/open-telemetry/opentelemetry-python-contrib/tree/main/instrumentation/opentelemetry-instrumentation-starlette

can i work on this ??

[Sunilwali679]

@lzchen License file is missing in https://github.com/open-telemetry/opentelemetry-python-contrib/tree/main/instrumentation/opentelemetry-instrumentation-redis

[Sunilwali679]

can i work on this ??

[Sunilwali679]

can u please add as a contributor or co-author to this issue . We are from same community and working on this issue together .

"login": "rahuldimri",
"id": 107100022,

"login": "rahulhacker",
"id": 20458598,

[lzchen]

@Sunilwali679
I believe those users have to comment on this issue for me to assign them as well.

[rahuldimri]

As we are working with Sunil on this issue. Please assign this to me.

[rahulhacker]

@lzchen : I am working with @Sunilwali679 on this issue, please assign this to me also

[srikanthccv]

I think this is a trivial issue that doesn't require any actual code changes. I am not sure what three of you going to do here. Please just someone take this up and create one PR.