v0.0.1-beta.5

update apps/functions endpoint according to backend changes (#10)

- update endpoints
- refactor

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## Summary by CodeRabbit

- **New Features**
- App search now offers an option to include function details along with
simplified app representations.
- Function search and retrieval methods now support a configurable
output format to better suit diverse usage needs.
- **Documentation**
- Updated guidance in examples to clarify setup procedures when working
with different applications.
- **Chores**
  - Package version updated to 0.0.1-beta.5.

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