Added events and sdk compatablity ( tested with cohere for now can easily extend)

[maliniv1530]

(https://github.com/traceloop/openllmetry/issues/2456#issue-2766249132) @najork

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[maliniv1530]

Can you check events added for Cohere , Google generative ai , Bedrock , Groq, Anthropic, Langchain ,Alepah alepha

[maliniv1530]

(#2456 (comment)) @najork

@nirga

[nirga]

@maliniv1530 any update?