Add Affinity doc

CHANGELOG.md

 # Changelog
 
+## 9.2.6-bb.7 - 2021-03-31
+
+Adding Affinity documentation
+
 ## 9.2.6-bb.6 - 2021-03-30
 
 Modified initContainer logic
@@ -36,4 +40,3 @@ Added logging instructions to docs 7/22/2020
 Added auth-oidc plugin version 2.0.0
 
 Added plugins for scanning C/C++ code 10/01/2020
-

chart/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v1
 appVersion: 8.6-community
 name: sonarqube
 description: SonarQube is an open sourced code quality scanning tool
-version: 9.2.6-bb.6
+version: 9.2.6-bb.7
 keywords:
   - coverage
   - security

docs/Affinity.md

+## Setting Affinity, nodeSelector, and tolerations for Sonarqube within the chart
+
+### To enable affinity, tolerations, and nodeSelector options in the sonarqube chart set the provided values:
+```
+# Affinity for pod assignment
+# Ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
+affinity: {}
+
+# Tolerations for pod assignment
+# Ref: https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/
+tolerations: []
+
+# Node labels for pod assignment
+# Ref: https://kubernetes.io/docs/user-guide/node-selection/
+nodeSelector: {}
+```