Add Users page (#536)

Author: nitisht

USERS.md

@@ -0,0 +1,10 @@
+# Who is using Parseable?
+
+The following document is a list of users and adopters who use Parseable in some capacity. The users themselves directly maintain the list.
+
+If you're using Parseable in your organization, please try to add your company name to this list. It really helps the project to gain momentum and credibility. It's a small contribution back to the project with a big impact. You can do add your organization by editing this file directly.
+
+| Organization | Contact | Description of Use |
+| ------------ | ------- | ------------------ |
+| [HireXL](https://www.hirexl.in/) | [@A4abs](https://github.com/A4abs) | Frontend application logging |
+| [ChistaDATA](https://chistadata.io/) | [Adheip Singh](mailto:[email protected]) | Centralized Kubernetes Logging |