WebUI component:

- Added Grafana Dashboard with number of TFS pods

src/webui/grafana_prom_tfs_num_pods.json

+{"overwrite": true, "folderId": 0, "dashboard":
+  {
+    "annotations": {
+      "list": [
+        {
+          "builtIn": 1,
+          "datasource": "-- Grafana --",
+          "enable": true,
+          "hide": true,
+          "iconColor": "rgba(0, 211, 255, 1)",
+          "name": "Annotations & Alerts",
+          "type": "dashboard"
+        }
+      ]
+    },
+    "editable": true,
+    "gnetId": null,
+    "graphTooltip": 0,
+    "id": null,
+    "links": [],
+    "panels": [
+      {
+        "aliasColors": {},
+        "bars": false,
+        "dashLength": 10,
+        "dashes": false,
+        "datasource": "prometheus",
+        "fieldConfig": {
+          "defaults": {},
+          "overrides": []
+        },
+        "fill": 0,
+        "fillGradient": 0,
+        "gridPos": {
+          "h": 17,
+          "w": 24,
+          "x": 0,
+          "y": 0
+        },
+        "hiddenSeries": false,
+        "id": 2,
+        "legend": {
+          "alignAsTable": true,
+          "avg": true,
+          "current": true,
+          "max": true,
+          "min": true,
+          "rightSide": true,
+          "show": true,
+          "total": false,
+          "values": true
+        },
+        "lines": true,
+        "linewidth": 1,
+        "nullPointMode": "null",
+        "options": {
+          "alertThreshold": false
+        },
+        "percentage": false,
+        "pluginVersion": "7.5.4",
+        "pointradius": 2,
+        "points": false,
+        "renderer": "flot",
+        "seriesOverrides": [],
+        "spaceLength": 10,
+        "stack": false,
+        "steppedLine": false,
+        "targets": [
+          {
+            "exemplar": true,
+            "expr": "kube_replicaset_status_replicas{namespace=\"tfs\"}",
+            "interval": "",
+            "legendFormat": "{{replicaset}}",
+            "refId": "A"
+          }
+        ],
+        "thresholds": [],
+        "timeFrom": null,
+        "timeRegions": [],
+        "timeShift": null,
+        "title": "TFS Number of Pods per Component",
+        "tooltip": {
+          "shared": true,
+          "sort": 0,
+          "value_type": "individual"
+        },
+        "transformations": [
+          {
+            "id": "renameByRegex",
+            "options": {
+              "regex": "(.+)\\-[0-9a-f]+",
+              "renamePattern": "$1"
+            }
+          }
+        ],
+        "type": "graph",
+        "xaxis": {
+          "buckets": null,
+          "mode": "time",
+          "name": null,
+          "show": true,
+          "values": []
+        },
+        "yaxes": [
+          {
+            "$$hashKey": "object:69",
+            "format": "short",
+            "label": "# Pods",
+            "logBase": 1,
+            "max": null,
+            "min": null,
+            "show": true
+          },
+          {
+            "$$hashKey": "object:70",
+            "format": "short",
+            "label": null,
+            "logBase": 1,
+            "max": null,
+            "min": null,
+            "show": true
+          }
+        ],
+        "yaxis": {
+          "align": false,
+          "alignLevel": null
+        }
+      }
+    ],
+    "refresh": "5s",
+    "schemaVersion": 27,
+    "style": "dark",
+    "tags": [],
+    "templating": {
+      "list": []
+    },
+    "time": {
+      "from": "now-1h",
+      "to": "now"
+    },
+    "timepicker": {},
+    "timezone": "",
+    "title": "TFS / #Pods",
+    "uid": "tfs-num-pods",
+    "version": 2
+  }
+}