Add examples for discussion/vote threads for new providers (apache#41817)

Author: eladkal

PROVIDERS.rst

@@ -123,6 +123,15 @@ the community. Also it is often easier to advertise and promote usage of the pro
 themselves when they own, manage and release their provider, especially when they can synchronize releases
 of their provider with new feature, the service might get added.
 
+Examples:
+
+Huawei Cloud provider - `Discussion <https://lists.apache.org/thread/f5tk9c734wlyv616vyy8r34ymth3dqbc>`_
+Cloudera provider - `Discussion <https://lists.apache.org/thread/2z0lvgj466ksxxrbvofx41qvn03jrwwb>`_, `Vote <https://lists.apache.org/thread/8b1jvld3npgzz2z0o3gv14lvtornbdrm>`_
+PgVector / Weaviate/ OpenAI provider - `Discussion <https://lists.apache.org/thread/0d669fmy4hn29h5c0wj0ottdskd77ktp>`_, `Lazy Consensus vote <https://lists.apache.org/thread/zrq6554lwobhngtwyzp7tpgnyfsxxybh>`_
+Pinecone / OpenAI / Cohere provider - `Discussion <https://lists.apache.org/thread/0d669fmy4hn29h5c0wj0ottdskd77ktp>`_, `Vote <https://lists.apache.org/thread/skh32jksvcf4yx4fhhsfz8lq6w5nhfjc>`_, `VOTE Result <https://lists.apache.org/thread/oq7h2n88zfo3dzldy5w8xlp9kyngs7x8>`_
+
+Note that some providers have regular vote and some lazy consensus, please refer to the above sections for explanation why it's not the same for all providers
+
 Community providers release process
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