feat:add apollo configuration to load env file

[huanshare]

Close #11064

Summary

Please note:dify supports loading env file configuration from the configuration-center(apollo). If you use apollo, first configure the dify configuration on apollo, and then before starting the project, configure the following parameters in the environment variables: CONFIGURATION_TYPE=apollo,APOLLO_APP_ID=xxx,APOLLO_CLUSTER=xxx,APOLLO_CONFIG_URL=xxx,APOLLO_NAMESPACE=xxx

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Checklist

[!IMPORTANT]
Please review the checklist below before submitting your pull request.

• [x] This change requires a documentation update, included: Dify Document
• [x] I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!)
• [x] I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
• [x] I've updated the documentation accordingly.
• [x] I ran dev/reformat(backend) and cd web && npx lint-staged(frontend) to appease the lint gods