Add ability to set box.cfg parameters in RolesConfig

Example:
BoxParameters:
      replication_synchro_quorum: 3

These parameters pass to pods as environment variables and haven't validated.

Author: Kasen

helm-charts/tarantool-cartridge/Chart.yaml

@@ -2,4 +2,4 @@ apiVersion: v1
 appVersion: "1.0"
 description: A Helm chart for tarantool
 name: cartridge
-version: 0.0.12
+version: 0.0.13

helm-charts/tarantool-cartridge/templates/deployment.yaml

@@ -119,6 +119,10 @@ spec:
               value: "60"
             - name: TARANTOOL_HTTP_PORT
               value: "8081"
+            {{- range $param, $value := .BoxParameters }}
+            - name: "TARANTOOL_{{ $param | upper }}"
+              value: "{{ $value }}"
+            {{- end }}
           readinessProbe:
             tcpSocket:
               port: http