workflow: add playground as a submodule

diff --git a/.gitmodules b/.gitmodules
new file mode 100644 (file)
index 0000000..311980c
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "playground"]
+       path = playground
+       url = https://github.com/vuejs/create-vue-templates.git

diff --git a/playground b/playground
new file mode 160000 (submodule)
index 0000000..5ce2ad8
--- /dev/null
+++ b/playground
@@ -0,0 +1 @@
+Subproject commit 5ce2ad887430f43b53ebec217c206d99c5363e7a