添加github workflow，检查代码是否已经格式化 (#342)

* 添加github workflow，检查代码是否已经格式化

user/libs/libc/build.rs

@@ -42,4 +42,4 @@ fn main() {
             .write_to_file(out_path.join("bindings.rs"))
             .expect("Couldn't write bindings!");
     }
-}
+}

user/libs/libc/src/Makefile

@@ -36,4 +36,4 @@ libc: $(libc_objs) $(libc_sub_dirs) libc_rust
 
 libc_rust:
 	rustup default nightly
-	cargo +nightly build --release --target ./arch/x86_64/x86_64-unknown-none.json
+	cargo +nightly build --release --target ./arch/x86_64/x86_64-unknown-none.json

user/libs/libc/src/include/internal/bindings/mod.rs

@@ -1 +1 @@
-pub mod bindings;
+pub mod bindings;

user/libs/libc/src/include/internal/mod.rs

@@ -1 +1 @@
-pub mod bindings;
+pub mod bindings;

user/libs/libc/src/include/mod.rs

@@ -1 +1 @@
-pub mod internal;
+pub mod internal;