config: add repo inline-readme list

This allows the user to choose to override any global
inline-readme list for a specific repo, using the
same kind of semantics as the other repo overrides.

Signed-off-by: Andy Green <andy@warmcat.com>
Reviewed-by: John Keeping <john@keeping.me.uk>
diff --git a/shared.c b/shared.c
index aad0024..3d7296d 100644
--- a/shared.c
+++ b/shared.c
@@ -77,6 +77,8 @@
 	ret->clone_url = ctx.cfg.clone_url;
 	ret->submodules.strdup_strings = 1;
 	ret->hide = ret->ignore = 0;
+	ret->inline_readme = ctx.cfg.inline_readme;
+
 	return ret;
 }