[libsoup] docs: Add section docs for SoupHSTSPolicy

[Patrick Griffis <pgriffis src gnome org>]

commit 2ff93c06a00a582b13ae6bbaf8dc52cb3e2a069b
Author: Patrick Griffis <pgriffis igalia com>
Date:   Sun Sep 20 13:21:59 2020 -0700

    docs: Add section docs for SoupHSTSPolicy

 libsoup/hsts/soup-hsts-policy.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
---
diff --git a/libsoup/hsts/soup-hsts-policy.c b/libsoup/hsts/soup-hsts-policy.c
index 2bae29ba..6a8bceae 100644
--- a/libsoup/hsts/soup-hsts-policy.c
+++ b/libsoup/hsts/soup-hsts-policy.c
@@ -18,6 +18,16 @@
 #include "soup-date-utils-private.h"
 #include "soup.h"
 
+/**
+ * SECTION:soup-hsts-policy
+ * @title: SoupHSTSPolicy
+ * @short_description: HSTS policies
+ *
+ * Policies to be used with #SoupHSTSEnforcer.
+ *
+ * Since: 2.68
+ */
+
 /**
  * SoupHSTSPolicy:
  * @domain: The domain or hostname that the policy applies to