update kvs error mod

Author: suhanyujie

Cargo.lock

@@ -12,3 +12,13 @@ clap = "2.33.0"
 ansi_term = "0.12.1"
 lazy_static = "1.4.0"
 chrono = "0.4.13"
+
+[workspace]
+members = [
+    "cookbooktest",
+    "toml2json"
+]
+
+exclude = [
+    "src/notes/kvs"
+]

Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "cookbooktest"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

cookbooktest/Cargo.toml

@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}