feat: add vendir (#502)

Signed-off-by: Dominik Tomasi <[email protected]>

vendir.hcl

@@ -0,0 +1,21 @@
+repository = "https://github.com/carvel-dev/vendir"
+description = "Easy way to vendor portions of git repos, github releases, helm charts, docker image contents, etc. declaratively"
+homepage = "https://carvel.dev/vendir"
+binaries = [
+  "vendir"
+]
+source = "https://github.com/carvel-dev/vendir/releases/download/v${version}/vendir-${os}-${arch}"
+test = "vendir --version"
+
+on "unpack" {
+  rename {
+    from = "${root}/vendir-${os}-${arch}"
+    to = "${root}/vendir"
+  }
+}
+
+version "0.41.0" {
+  auto-version {
+    github-release = "carvel-dev/vendir"
+  }
+}