Adding a Helm chart to install in Kubernetes (#1010)

* first pass at a helm chart

* more cleanup

* adding more stuff

* trying to generate the DB password

* more fixes and hardening

* Don't need to bake this in

* switching these back to the defaults

* more cleanup

* bumping the app version to match release

* some fixes

* updating volumeMounts too

* and disabling the PVCs if we aren't using them

* fixing the spacing

---------

Co-authored-by: Aditya Chandel <8075870+adityachandelgit@users.noreply.github.com>

.gitignore

@@ -4,6 +4,7 @@ build/
 !gradle/wrapper/gradle-wrapper.jar
 !**/src/main/**/build/
 !**/src/test/**/build/
+example-chart/charts/
 
 ## MacOS ###
 .DS_Store