Being explicit about what to include in cargo package

Cargo.toml

@@ -12,6 +12,7 @@ repository = "https://github.com/anatols/serde_hooks"
 homepage = "https://github.com/anatols/serde_hooks"
 rust-version = "1.68"
 readme = "README.md"
+include = ["docs", "examples", "src", "tests", "LICENSE*", "README.md"]
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
@@ -32,7 +33,12 @@ ron = "0.8"
 bincode = "1.3"
 
 [package.metadata.docs.rs]
-cargo-args = ["--lib", "--no-deps", "-Zunstable-options", "-Zrustdoc-scrape-examples"]
+cargo-args = [
+    "--lib",
+    "--no-deps",
+    "-Zunstable-options",
+    "-Zrustdoc-scrape-examples",
+]
 
 [[example]]
 name = "ser"