YAML Templates in Create Resource dock tab (#2327)

Co-authored-by: Pavel Ashevskiy <pavel.ashevskiy@ifellow.ru>

templates/create-resource/ConfigMap.yaml

@@ -0,0 +1,17 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: game-demo
+data:
+  # property-like keys; each key maps to a simple value
+  player_initial_lives: "3"
+  ui_properties_file_name: "user-interface.properties"
+
+  # file-like keys
+  game.properties: |
+    enemy.types=aliens,monsters
+    player.maximum-lives=5
+  user-interface.properties: |
+    color.good=purple
+    color.bad=yellow
+    allow.textmode=true