docs: libvcs.utils.subprocess

Author: tony

docs/contributing/internals/index.md

@@ -13,4 +13,5 @@ stability policy.
 exc
 types
 query_list
+subprocess
 ```

docs/contributing/internals/subprocess.md

@@ -0,0 +1,13 @@
+# `libvcs.utils.subprocess`
+
+```{eval-rst}
+.. autoapimodule:: libvcs.utils.subprocess
+   :members:
+   :exclude-members:
+     StrOrBytesPath, F, args, bufsize,
+     executable, stdin, stdout, stderr, preexec_fn, cwd,
+     close_fds, shell, cmd, env, text, universal_newlines,
+     startupinfo, creationflags, restore_signals, start_new_session,
+     group, extra_groups, user, umask, pass_fds, encoding, errors,
+
+```