[COMMON][DOC] Bump version Guilin

Update charts and requirements to 7.0.0.
Create release notes for Guilin
Update documentation

Issue-ID: OOM-2638
Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
Change-Id: I965ed6b6ebb7d74bfddaff73edd3dd55a657841c
diff --git a/kubernetes/common/music/requirements.yaml b/kubernetes/common/music/requirements.yaml
index 1c428d2..f16f6df 100644
--- a/kubernetes/common/music/requirements.yaml
+++ b/kubernetes/common/music/requirements.yaml
@@ -14,5 +14,5 @@
 
 dependencies:
   - name: common
-    version: ~6.x-0
+    version: ~7.x-0
     repository: 'file://../common'