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/passport_guide.lua

@@ -41,12 +41,26 @@ local gettext = dt.gettext.gettext
 
 du.check_min_api_version("2.0.0", "passport_guide") 
 
-gettext.bindtextdomain("passport_guide", dt.configuration.config_dir .."/lua/locale/")
+dt.gettext.bindtextdomain("passport_guide", dt.configuration.config_dir .."/lua/locale/")
 
 local function _(msgid)
   return gettext(msgid)
 end
 
+local script_data = {}
+
+script_data.metadata = {
+  name = "passport_guide",
+  purpose = _("guides for cropping passport photos"),
+  author = "Kåre Hampf",
+  help = "https://docs.darktable.org/lua/stable/lua.scripts.manual/scripts/contrib/passport_guide"
+}
+
+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
+script_data.show = nil -- only required for libs since the destroy_method only hides them
+
 dt.guides.register_guide("passport",
 -- draw
 function(cairo, x, y, width, height, zoom_scale)
@@ -90,5 +104,13 @@ function()
 end
 )
 
+local function destroy()
+  -- nothing to destroy
+end
+
+script_data.destroy = destroy
+
+return script_data
+
 -- kate: tab-indents: off; indent-width 2; replace-tabs on; remove-trailing-space on; hl Lua;
 -- vim: shiftwidth=2 expandtab tabstop=2 cindent syntax=lua