docs(cli): enforce docs for cli

Refs: #392

Author: Xenira

crates/cli/Cargo.toml

@@ -19,3 +19,6 @@ dialoguer = "0.11"
 libloading = "0.8"
 cargo_metadata = "0.15"
 semver = "1.0"
+
+[lints.rust]
+missing_docs = "warn"

crates/cli/src/lib.rs

@@ -26,6 +26,7 @@ macro_rules! stub_symbols {
     };
     (@INTERNAL; $s: ident) => {
         #[allow(non_upper_case_globals)]
+        #[allow(missing_docs)]
         #[no_mangle]
         pub static mut $s: *mut () = ::std::ptr::null_mut();
     };

crates/cli/src/main.rs

@@ -1,4 +1,9 @@
-// Mock macro for the `allowed_bindings.rs` script.
+//! # `cargo-php` CLI
+//!
+//! Installs extensions and generates stub files for PHP extensions generated
+//! with `ext-php-rs`. Use `cargo php --help` for more information.
+
+/// Mock macro for the `allowed_bindings.rs` script.
 #[cfg(not(windows))]
 macro_rules! bind {
     ($($s: ident),*) => {