add submodules for third-party github actions
per guidance on wiki: https://cwiki.apache.org/confluence/display/BUILDS/GitHub+Actions+status
diff --git a/.github/actions/chart-releaser-action b/.github/actions/chart-releaser-action
new file mode 160000
index 0000000..a3454e4
--- /dev/null
+++ b/.github/actions/chart-releaser-action
@@ -0,0 +1 @@
+Subproject commit a3454e46a6f5ac4811069a381e646961dda2e1bf
diff --git a/.github/actions/chart-testing-action b/.github/actions/chart-testing-action
new file mode 160000
index 0000000..dae259e
--- /dev/null
+++ b/.github/actions/chart-testing-action
@@ -0,0 +1 @@
+Subproject commit dae259e86a35ff09145c0805e2d7dd3f7207064a
diff --git a/.github/actions/kind-action b/.github/actions/kind-action
new file mode 160000
index 0000000..d08cf6f
--- /dev/null
+++ b/.github/actions/kind-action
@@ -0,0 +1 @@
+Subproject commit d08cf6ff1575077dee99962540d77ce91c62387d
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..e7cadd5
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,9 @@
+[submodule ".github/actions/chart-testing-action"]
+ path = .github/actions/chart-testing-action
+ url = https://github.com/helm/chart-testing-action.git
+[submodule ".github/actions/kind-action"]
+ path = .github/actions/kind-action
+ url = https://github.com/helm/kind-action.git
+[submodule ".github/actions/chart-releaser-action"]
+ path = .github/actions/chart-releaser-action
+ url = https://github.com/helm/chart-releaser-action.git
