refactoring: Breakdown fission-all chart into components and removed fission-core (#2224)

* Sync a few files from fission-all to fission-core chart
* Change values in fission-all chart
We keep the following components by default disabled now, which were enabled by default earlier.

1. nats - Fission Nats integration
2. influxdb - Influxdb and logger component
3. prometheus - Prometheus disabled by default
4. canaryDeployment - Disabled by default

This change reduces the need for a fission-core chart and we can configure
values of fission-all so that it can provide the behaviour of fission-all
as well as fission-core.

* Remove fission-core chart
* Add README in the fission-all chart
* Rename clusterrolebinding fission-crd to fission-cr-admin
* Add icon and sources in helm chart

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

charts/fission-all/templates/storagesvc/pvc.yaml

@@ -0,0 +1,23 @@
+{{- if and (.Values.persistence.enabled) (not .Values.persistence.existingClaim) (eq (.Values.persistence.storageType | default "local") "local") }}
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  name: fission-storage-pvc
+  labels:
+    app: fission-storage
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    release: "{{ .Release.Name }}"
+spec:
+  accessModes:
+    - {{ .Values.persistence.accessMode | quote }}
+  resources:
+    requests:
+      storage: {{ .Values.persistence.size | quote }}
+  {{- if .Values.persistence.storageClass }}
+  {{- if (eq "-" .Values.persistence.storageClass) }}
+  storageClassName: ""
+  {{- else }}
+  storageClassName: {{ .Values.persistence.storageClass | quote }}
+  {{- end }}
+  {{- end }}
+{{- end }}