Add dependancy injection

[rjambrecic]

Type of change

• Documentation (typos, code examples, or any documentation updates)
• Bug fix (a non-breaking change that resolves an issue)
• New feature (a non-breaking change that adds functionality)
• Breaking change (a fix or feature that would disrupt existing functionality)
• This change requires a documentation update

Checklist

• I have conducted a self-review of my own code
• I have made the necessary changes to the documentation
• My changes do not generate any new warnings
• I have added tests to validate the effectiveness of my fix or the functionality of my new feature
• I have included code examples to illustrate the modifications

[codecov]

Codecov Report

Attention: Patch coverage is 76.66667% with 7 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...cs_src/user_guide/dependency_injection/workflow.py	36.36%	7 Missing ⚠️

Files with missing lines	Coverage Δ
docs/docs_src/tutorials/giphy/main.py	38.09% <ø> (ø)
docs/docs_src/tutorials/giphy/simple_main.py	52.63% <ø> (ø)
docs/docs_src/tutorials/whatsapp/main.py	45.45% <ø> (ø)
...docs_src/user_guide/external_rest_apis/security.py	100.00% <ø> (ø)
examples/cli/main_user_proxy.py	38.46% <ø> (ø)
fastagency/api/openapi/openapi.py	85.71% <100.00%> (ø)
fastagency/runtimes/autogen/tools/whatsapp.py	100.00% <ø> (ø)
...cs_src/user_guide/dependency_injection/workflow.py	36.36% <36.36%> (ø)

... and 1 file with indirect coverage changes