[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/etcd/requirements.yaml b/kubernetes/common/etcd/requirements.yaml
index 733bc44..bf85c74 100644
--- a/kubernetes/common/etcd/requirements.yaml
+++ b/kubernetes/common/etcd/requirements.yaml
@@ -14,8 +14,8 @@
 # limitations under the License
 dependencies:
   - name: common
-    version: ~6.x-0
+    version: ~7.x-0
     repository: 'file://../common'
   - name: repositoryGenerator
-    version: ~6.x-0
+    version: ~7.x-0
     repository: 'file://../repositoryGenerator'