Add OpenLDAP (#670)

* add initial work on openldap

* fix indent

* use latest common version

* remove remaining nextcloud components...

* disable ldap tls for now

* correct common version

* bump common version used to fix some issues

* some slight OpenLDAP tweaks

charts/stable/openldap/SCALE/item.yaml

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+categories:
+  - cloud
+icon_url: https://upload.wikimedia.org/wikipedia/commons/thumb/6/60/Nextcloud_Logo.svg/1280px-Nextcloud_Logo.svg.png

charts/stable/openldap/SCALE/ix_values.yaml

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+##
+# This file contains Values.yaml content that gets added to the output of questions.yaml
+# It's ONLY meant for content that the user is NOT expected to change.
+# Example: Everything under "image" is not included in questions.yaml but is included here.
+##
+image:
+  repository: osixia/openldap
+  pullPolicy: IfNotPresent
+  tag: 1.5.0
+
+controller:
+  # -- Set the controller type.
+  # Valid options are deployment, daemonset or statefulset
+  type: statefulset
+  # -- Number of desired pods
+  replicas: 1
+  # -- Set the controller upgrade strategy
+  # For Deployments, valid values are Recreate (default) and RollingUpdate.
+  # For StatefulSets, valid values are OnDelete and RollingUpdate (default).
+  # DaemonSets ignore this.
+  strategy: RollingUpdate
+  rollingUpdate:
+    # -- Set deployment RollingUpdate max unavailable
+    unavailable: 1
+    # -- Set deployment RollingUpdate max surge
+    surge:
+    # -- Set statefulset RollingUpdate partition
+    partition:
+  # -- ReplicaSet revision history limit
+  revisionHistoryLimit: 3
+
+envFrom:
+  - configMapRef:
+      name: openldapconfig
+
+replication:
+  enabled: false
+  # Enter the name of your cluster, defaults to "cluster.local"
+  clusterName: "cluster.local"
+  retry: 60
+  timeout: 1
+  interval: 00:00:00:10
+  starttls: "critical"
+  tls_reqcert: "never"
+
+
+##
+# Most other defaults are set in questions.yaml
+# For other options please refer to the wiki, default_values.yaml or the common library chart
+##