auth-proxy: verify group membership (#105)

* auth-proxy: verify group membership

* memberships: install memberships app and use it in few apps

* app-repo: render auth

* installer: always use external dependencies option in app configs

* installer: fix auth handling

* auth-proxy: configure membership-addr and groups flags in helm chart

* installer: fix indentation

* app-manager: fix how auth block is rendered

---------

Co-authored-by: Giorgi Lekveishvili <lekva@gl-mbp-m1-max.local>
diff --git a/charts/auth-proxy/values.yaml b/charts/auth-proxy/values.yaml
index 9f61b34..15788e6 100644
--- a/charts/auth-proxy/values.yaml
+++ b/charts/auth-proxy/values.yaml
@@ -5,4 +5,6 @@
 upstream: bar.svc.cluster.local
 whoAmIAddr: https://accounts.example.com/sessions/whoami
 loginAddr: https://accounts-ui.example.com/login
+membershipAddr: https://memberships.p.example.com/api/user
+groups: ""
 portName: http