Merge pull request thenaturalist#54 from Mahendra0001/patch-2

Add Hevo in Reverse ETL List

README.md

@@ -211,11 +211,11 @@ ToC split by SaaS and OSS (Open Source Software):
   - **SaaS**
     - [Castled](https://www.castled.io)  
     - [Census](https://www.getcensus.com)
+    - [Hevo](https://hevodata.com/integrations/activate/)
     - [Hightouch](https://hightouch.io)
     - [Omnata](https://omnata.com)
     - [Polytomic](https://www.polytomic.com)
 
-
 - ### 10. Data Platforms
   - **SaaS**
     - [Ascend](https://www.ascend.io)