[gtk/ebassi/docs-fixes: 1/2] docs: Enable OpenSearch on our references

[Emmanuele Bassi <ebassi src gnome org>]

commit 39e4e48fdc79fbbb4d1b9b468080f642c5b26ec0
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Mon Nov 15 15:31:35 2021 +0000

    docs: Enable OpenSearch on our references
    
    By adding the `docs_url` key in the project configuration file,
    gi-docgen will generate an OpenSearch XML file, which allows to add
    docs.gtk.org/<reference> as a "search engine" in web browsers.

 docs/reference/gdk/gdk4.toml.in | 1 +
 docs/reference/gsk/gsk4.toml.in | 1 +
 docs/reference/gtk/gtk4.toml.in | 1 +
 3 files changed, 3 insertions(+)
---
diff --git a/docs/reference/gdk/gdk4.toml.in b/docs/reference/gdk/gdk4.toml.in
index fe938c4c05..69d38568ca 100644
--- a/docs/reference/gdk/gdk4.toml.in
+++ b/docs/reference/gdk/gdk4.toml.in
@@ -3,6 +3,7 @@ version = "@version@"
 browse_url = "https://gitlab.gnome.org/GNOME/gtk/";
 repository_url = "https://gitlab.gnome.org/GNOME/gtk.git";
 website_url = "https://www.gtk.org";
+docs_url = "https://docs.gtk.org/gdk4/";
 authors = "GTK Development Team"
 logo_url = "gtk-logo.svg"
 license = "LGPL-2.1-or-later"
diff --git a/docs/reference/gsk/gsk4.toml.in b/docs/reference/gsk/gsk4.toml.in
index 58a577e7a1..5befeaa61d 100644
--- a/docs/reference/gsk/gsk4.toml.in
+++ b/docs/reference/gsk/gsk4.toml.in
@@ -3,6 +3,7 @@ version = "@version@"
 browse_url = "https://gitlab.gnome.org/GNOME/gtk/";
 repository_url = "https://gitlab.gnome.org/GNOME/gtk.git";
 website_url = "https://www.gtk.org";
+docs_url = "https://docs.gtk.org/gsk4/";
 authors = "GTK Development Team"
 logo_url = "gtk-logo.svg"
 license = "LGPL-2.1-or-later"
diff --git a/docs/reference/gtk/gtk4.toml.in b/docs/reference/gtk/gtk4.toml.in
index 03c9346a70..5ead702e4e 100644
--- a/docs/reference/gtk/gtk4.toml.in
+++ b/docs/reference/gtk/gtk4.toml.in
@@ -3,6 +3,7 @@ version = "@version@"
 browse_url = "https://gitlab.gnome.org/GNOME/gtk/";
 repository_url = "https://gitlab.gnome.org/GNOME/gtk.git";
 website_url = "https://www.gtk.org";
+docs_url = "https://docs.gtk.org/gtk4/";
 authors = "GTK Development Team"
 logo_url = "gtk-logo.svg"
 license = "LGPL-2.1-or-later"