Update README.rst

Change-Id: Ic0833ef97d9c736b30787c8afb7c63d199f872f8

README.rst

@@ -4,13 +4,33 @@ ku.stella
 
 Stella Cloud project
 
-Please fill here a long description which must be at least 3 lines wrapped on
-80 cols, so that distribution package maintainers can use it in their packages.
-Note that this is a hard requirement.
+This page is Stella-OpenStack code repository.
+Stella-OpenStack support Stella VM scheduler to set performance SLA in OpenStack IaaS clouds. 
+Visit our project page for detailed information about Stella project.
+
+* Documentation: https://stella.korea.ac.kr
+* Source
+        OpenStack repo: https://git.openstack.org/cgit/openstack/ku.stella
+        GitHub repo: https://github.com/KUoslab/Stella-OpenStack
+* Bugs
+        Email: starlab@os.korea.ac.kr
+        Lanchpad: https://bugs.launchpad.net/KU.stella
+
 
-* Free software: Apache license
-* Documentation: https://docs.openstack.org/ku.stella/latest
-* Source: https://git.openstack.org/cgit/openstack/ku.stella* Bugs: https://bugs.launchpad.net/KU.stellaFeatures
 --------
 
-* TODO
+* Stella-OpenStack APIs
+
+Stella-OpenStack APIs(a.k.s Stella APIs) provide access Stella-OpenStack functions.
+Stella APIs support RestAPI(http based APIs).
+The list of Stella APIs is below. 
+
+1. /stella: 
+        Check the status of Stella scheduler(xGoS) and Stella-OpenStack.
+2. /stella/vms: 
+        Returns the list of VMs and information of each VMs.
+3. /stella/vms/sla:
+        Set SLA for VM. Use instance name in horizon as a Input
+4. /stella/hypervisor:
+        Returns the IP address of the hypervisor host.
+        'hypervisor_name' field is essential.