Add multiple LDAP sources (#222)

Add multiple add sources.

Instead of a single entry for ldap configuration we now would have a dictionary for ldap config.

This would be a breaking change for those working with the ldap config.

fixes: #190

Co-authored-by: Lucas Hahn <lucas.hahn@novum-rgi.de>
Reviewed-on: https://gitea.com/gitea/helm-chart/pulls/222
Reviewed-by: Andrew Thornton <art27@cantab.net>
Reviewed-by: pat-s <pat-s@noreply.gitea.io>
Reviewed-by: justusbunsi <justusbunsi@noreply.gitea.io>
Co-authored-by: luhahn <luhahn@noreply.gitea.io>
Co-committed-by: luhahn <luhahn@noreply.gitea.io>

values.yaml

@@ -154,21 +154,20 @@ gitea:
       #  additionalLabels:
       #    prometheus-release: prom1
 
-  ldap:
-    enabled: false
-    #existingSecret: gitea-ldap-secret
-    #name:
-    #securityProtocol:
-    #host:
-    #port:
-    #userSearchBase:
-    #userFilter:
-    #adminFilter:
-    #emailAttribute:
-    #bindDn:
-    #bindPassword:
-    #usernameAttribute:
-    #sshPublicKeyAttribute:
+  ldap: []
+    # - name: "LDAP 1"
+    #  existingSecret:
+    #  securityProtocol:
+    #  host:
+    #  port:
+    #  userSearchBase:
+    #  userFilter:
+    #  adminFilter:
+    #  emailAttribute:
+    #  bindDn:
+    #  bindPassword:
+    #  usernameAttribute:
+    #  publicSSHKeyAttribute:
 
   oauth:
     enabled: false