chore(foundryvtt): refactor to follow kustomize format

apps/foundryvtt/base/kustomization.yaml

@@ -0,0 +1,4 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - deployment.yaml

apps/foundryvtt/overlays/games/config.json

@@ -0,0 +1,11 @@
+{
+  "appName": "foundryvtt",
+  "userGivenName": "foundryvtt",
+  "destNamespace": "ttrpg",
+  "destServer": "https://kubernetes.default.svc",
+  "srcPath": "apps/foundryvtt/overlays/games",
+  "srcRepoURL": "ssh://git@gitea-ssh.gitops.svc.cluster.local:2222/davad/argo.git",
+  "srcTargetRevision": "",
+  "labels": null,
+  "annotations": null
+}

apps/foundryvtt/overlays/games/kustomization.yaml

@@ -0,0 +1,4 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+- ../../base