use bytestring crate name as dir name

bytestring/Cargo.toml

@@ -0,0 +1,27 @@
+[package]
+name = "bytestring"
+version = "1.0.0"
+authors = [
+    "Nikolay Kim <fafhrd91@gmail.com>",
+    "Rob Ede <robjtede@icloud.com>",
+]
+description = "An immutable UTF-8 encoded string using Bytes as storage"
+keywords = ["string", "bytes", "utf8", "web", "actix"]
+categories = ["no-std", "web-programming"]
+homepage = "https://actix.rs"
+repository = "https://github.com/actix/actix-net.git"
+documentation = "https://docs.rs/bytestring/"
+license = "MIT OR Apache-2.0"
+edition = "2018"
+
+[lib]
+name = "bytestring"
+path = "src/lib.rs"
+
+[dependencies]
+bytes = "1"
+serde = { version = "1.0", optional = true }
+
+[dev-dependencies]
+serde_json = "1.0"
+siphasher = "0.3"