[VOL-1615] Create VOLTHA 2.0 Helm Charts

Squashed version of David Bainbridge's patches at commit:

 https://github.com/ciena/voltha-helm-charts/commit/120fb4b719e0492e6a0a24cc78d08b806e3698fa

Linted the README, fixed whitespace and incubator repo address

Change-Id: I7c5b1c3478450bbefbed09a75e9029e6371cae3a
diff --git a/voltha/templates/ofagent.yaml b/voltha/templates/ofagent.yaml
new file mode 100644
index 0000000..2dd9e74
--- /dev/null
+++ b/voltha/templates/ofagent.yaml
@@ -0,0 +1,43 @@
+# Copyright 2019-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+---
+apiVersion: apps/v1beta1
+kind: Deployment
+metadata:
+  name: ofagent
+  serviceAccountName: {{ .Values.serviceaccount }}
+spec:
+  replicas: {{ .Values.replicas.ofagent }}
+  template:
+    metadata:
+      labels:
+        app: ofagent
+      annotations:
+        cni: "calico"
+    spec:
+      terminationGracePeriodSeconds: 10
+      serviceAccountName: {{ .Values.serviceaccount }}
+      containers:
+      - name: ofagent
+        image: {{ .Values.registry }}{{ .Values.images.ofagent.repository }}:{{ tpl .Values.images.ofagent.tag . }}
+        imagePullPolicy: {{ .Values.images.ofagent.pullPolicy }}
+        env:
+        - name: CONTROLLER_SERVICE
+          value: "{{ .Values.services.controller.service }}:{{ .Values.services.controller.port }}"
+        args:
+        - "/ofagent/ofagent/main.py"
+        - "-v"
+        - "--controller=$(CONTROLLER_SERVICE)"
+        - "--grpc-endpoint=voltha-api.{{ .Release.Namespace }}.svc.cluster.local:55555"