Update README.md

Author: Dharin-shah

README.md

@@ -1,2 +1,38 @@
-# appium-plugins
+# Appium Plugins
+
 Home for Appium Plugins maintained by the BrowserStack Open Source Program Office
+
+To install checkout individual README for each plugins in the repo
+
+
+To activate an installed plugin so that it has an effect for the running server, make sure to include it in the list of activated plugins when starting the server:
+
+```
+appium --plugins=opentelmetry
+```
+
+For information and documentation about each plugin hosted in this repo, head to the individual READMEs:
+
+* [Opentelemetry plugin](packages/opentelemetry) - A plugin designed to automatically generate traces for http events in appium server
+
+# Developer
+
+To run:
+
+```
+npm run clean
+```
+
+or
+
+```
+npm run bootstrap
+npm install
+npm run build
+```
+
+To Test:
+
+```
+npm test:unit
+```