Update README for sig-big-data (kubernetes#307)

Update README for sig-big-data

sig-big-data/README.md

@@ -1,3 +1,26 @@
-# NOTE: THE BIG DATA SIG IS INDEFINITELY SUSPENDED, IN FAVOR OF THE ["APPS" SIG](https://github.com/kubernetes/community/blob/master/sig-apps/README.md).
+# SIG Big Data
 
-[Old Meeting Notes](https://docs.google.com/document/d/1YhNLN39f5oZ4AHn_g7vBp0LQd7k37azL7FkWG8CEDrE/edit)
+A Special Interest Group for deploying and operating big data applications (Spark, Kafka, Hadoop, Flink, Storm, etc) on Kubernetes. We focus on integrations with big data applications and architecting the best ways to run them on Kubernetes.
+
+## Meeting:
+
+* Meetings: Wednesdays 10:00 AM PST
+* Zoom Link: TBD
+* Check out the [Agenda and Minutes](https://docs.google.com/document/d/1pnF38NF6N5eM8DlK088XUW85Vms4V2uTsGZvSp8MNIA/edit)! Note: this SIG was operational briefly in 2015. Minutes for those meetings are in [their prior location](https://docs.google.com/document/u/1/d/1YhNLN39f5oZ4AHn_g7vBp0LQd7k37azL7FkWG8CEDrE/edit).
+* Slack: https://kubernetes.slack.com/messages/sig-big-data/
+
+## Goals:
+
+* Design and architect ways to run big data applications effectively on Kubernetes
+* Discuss ongoing implementation efforts
+* Discuss resource sharing and multi-tenancy (in the context of big data applications)
+* Suggest Kubernetes features where we see a need
+
+## Non-goals:
+
+* Endorsing any particular tool/framework
+
+## Organizers:
+
+* [Anirudh Ramanathan](https://github.com/foxish), Google
+* [Kenneth Owens](https://github.com/kow3ns), Google