Added metadata fields to scripts that script_manager can access and

display as a tooltip.

Added script_manager integration to those scripts that didn't have it.

contrib/RL_out_sharp.lua

@@ -65,10 +65,26 @@ local MODULE_NAME = "RL_out_sharp"
 -- check API version
 du.check_min_api_version("7.0.0", MODULE_NAME) 
 
+-- translation
+local gettext = dt.gettext.gettext
+
+dt.gettext.bindtextdomain("RL_out_sharp", dt.configuration.config_dir .."/lua/locale/")
+
+local function _(msgid)
+  return gettext(msgid)
+  end
+
 -- return data structure for script_manager
 
 local script_data = {}
 
+script_data.metadata = {
+  name = "RL_out_sharp",
+  purpose = _("Richardson-Lucy output sharpening using GMic"),
+  author = "Marco Carrarini <marco.carrarini@gmail.com>",
+  help = "https://docs.darktable.org/lua/stable/lua.scripts.manual/scripts/contrib/RL_out_sharp"
+}
+
 script_data.destroy = nil -- function to destory the script
 script_data.destroy_method = nil -- set to hide for libs since we can't destroy them commpletely yet, otherwise leave as nil
 script_data.restart = nil -- how to restart the (lib) script after it's been hidden - i.e. make it visible again
@@ -77,15 +93,6 @@ script_data.show = nil -- only required for libs since the destroy_method only h
 -- OS compatibility
 local PS = dt.configuration.running_os == "windows" and  "\\"  or  "/"
 
--- translation
-local gettext = dt.gettext.gettext
-
-gettext.bindtextdomain("RL_out_sharp", dt.configuration.config_dir .."/lua/locale/")
-
-local function _(msgid)
-  return gettext(msgid)
-  end
-
 -- initialize module preferences
 if not dt.preferences.read(MODULE_NAME, "initialized", "bool") then
   dt.preferences.write(MODULE_NAME, "sigma", "string", "0.7")