Update README.md (#237)

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# PR Details
This PR updates contact details
[CAVSupportServices@dot.gov](mailto:CAVSupportServices@dot.gov)
## Description

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## Related GitHub Issue

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## Related Jira Key

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## Motivation and Context

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## How Has This Been Tested?

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## Types of changes

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- [ ] Defect fix (non-breaking change that fixes an issue)
- [ ] New feature (non-breaking change that adds functionality)
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## Checklist:

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- [ ] I have added any new packages to the sonar-scanner.properties file
- [ ] My change requires a change to the documentation.
- [ ] I have updated the documentation accordingly.
- [ ] I have read the
[**CONTRIBUTING**](https://github.com/usdot-fhwa-stol/carma-platform/blob/develop/Contributing.md)
document.
- [ ] I have added tests to cover my changes.
- [ ] All new and existing tests passed.

README.md

@@ -90,7 +90,7 @@ The development team would like to acknowledge the people who have made direct c
 By contributing to the Federal Highway Administration (FHWA) Connected Automated Research Mobility Applications (CARMA), you agree that your contributions will be licensed under its Apache License 2.0 license. [CARMA License](https://github.com/usdot-fhwa-stol/CARMAPlatform/blob/develop/docs/License.md) 
 
 ## Contact
-Please click on the CARMA logo below to visit the Federal Highway Adminstration(FHWA) CARMA website.
+Please click on the CARMA logo below to visit the Federal Highway Adminstration(FHWA) CARMA website. For more information, contact CAVSupportServices@dot.gov.
 
 [![CARMA Image](https://raw.githubusercontent.com/usdot-fhwa-stol/CARMAPlatform/develop/docs/image/CARMA_icon.png)](https://highways.dot.gov/research/research-programs/operations/CARMA)