Config setting to disable auto-registration of entities

[PradeepKiruvale]

Proposed changes

This PR adds a feature to enable/disable the auto registration of entities.

To enable the auto registration one must use the below command

sudo tedge config set c8y.entity_store.auto_register true

To disable the auto registration one must set the config as below

sudo tedge config set c8y.entity_store.auto_register false

The default value for the c8y.entity_store.auto_register is set to true.i.e the auto registration is enabled by default.

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Improvement (general improvements like code refactoring that doesn't explicitly fix a bug or add any new functionality)
• Documentation Update (if none of the other choices apply)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Paste Link to the issue

#2483

Checklist

• I have read the CONTRIBUTING doc
• I have signed the CLA (in all commits with git commit -s)
• I ran cargo fmt as mentioned in CODING_GUIDELINES
• I used cargo clippy as mentioned in CODING_GUIDELINES
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

Further comments

[codecov]

Codecov Report

Merging #2486 (3bca8a7) into main (56eaa9d) will decrease coverage by 0.1%.
The diff coverage is 66.6%.

Additional details and impacted files

Files	Coverage Δ
crates/extensions/c8y_mapper_ext/src/error.rs	0.0% <ø> (ø)
crates/extensions/c8y_mapper_ext/src/tests.rs	91.6% <100.0%> (+<0.1%)	⬆️
.../tedge_config/src/tedge_config_cli/tedge_config.rs	80.6% <83.3%> (+<0.1%)	⬆️
crates/extensions/c8y_mapper_ext/src/config.rs	43.3% <50.0%> (+0.1%)	⬆️
crates/extensions/c8y_mapper_ext/src/converter.rs	81.3% <63.6%> (-0.1%)	⬇️

[github-actions]

Robot Results

✅ Passed	❌ Failed	⏭️ Skipped	Total	Pass %	⏱️ Duration
380	0	3	380	100	59m58.083999999s