chore(docs): added adopters.md and rectified maintainers reference in readme.md (#262)

Signed-off-by: niravparikh05 <nir.parikh05@gmail.com>
Signed-off-by: Nirav Parikh <nir.parikh05@gmail.com>

ADOPTERS.md

@@ -0,0 +1,24 @@
+Who is using it?
+
+Paralus community stands on the shoulders of individuals, companies, and maintainers. The Paralus team thanks everyone involved - from submitting bug reports and feature requests, to contributing patches and documentation. The Paralus community counts close to 20 members and is growing rapidly. 
+
+The following list represents companies that have accompanied us along the way and that have made outstanding contributions to our ecosystem. If you think that your company deserves a spot here, reach out to support@paralus.io now!
+
+<table>
+    <thead>
+        <tr>
+            <th>Type</th>
+            <th>Name</th>
+            <th>Logo</th>
+            <th>Website</th>
+        </tr>
+    </thead>
+    <tbody>
+    </tbody>
+</table>
+
+<a href="https://github.com/paralus/paralus/graphs/contributors" target="_blank">Many thanks to all individual contributors</a>
+
+<em>\* Uses one of Paralus's major projects in production.</em>
+
+<!--END ADOPTERS-->