exp: client host and demo app using wasm/wasmtime
diff --git a/apps/client/hello/Makefile b/apps/client/hello/Makefile
new file mode 100644
index 0000000..aca0fc7
--- /dev/null
+++ b/apps/client/hello/Makefile
@@ -0,0 +1,4 @@
+run:
+	# cd hello_rust && cargo wasi build
+	cd call_host && cargo wasi build
+	go1.18 run main.go