Add clinicaltrials.gov API

README.md

@@ -1096,6 +1096,7 @@ API | Description | Auth | HTTPS | CORS |
 ### Health
 API | Description | Auth | HTTPS | CORS |
 |---|---|---|---|---|
+| [Clinicaltrials.gov](https://clinicaltrials.gov/api/gui) | Acess all posted information on ClinicalTrials.gov | No | Yes | Unknown |
 | [CMS.gov](https://data.cms.gov/provider-data/) | Access to the data from the CMS - medicare.gov | `apiKey` | Yes | Unknown |
 | [Coronavirus](https://pipedream.com/@pravin/http-api-for-latest-wuhan-coronavirus-data-2019-ncov-p_G6CLVM/readme) | HTTP API for Latest Covid-19 Data | No | Yes | Unknown |
 | [Coronavirus in the UK](https://coronavirus.data.gov.uk/details/developers-guide) | UK Government coronavirus data, including deaths and cases by region | No | Yes | Unknown |