doc: Improve the common documentation between all rules modules.

It was missing lesser/greater and the `id` type wasn't rendered
properly.

docs/common/rule.ldoc

@@ -50,6 +50,24 @@
 -- @see rule
 -- @see except
 
+--- A table which content will be compared to the target object current properties.
+--
+-- The comparison will be made using the lesser (`<`) operator.
+--
+-- @rulecomponent rule_lesser
+-- @param table
+-- @see rule
+-- @see except
+
+--- A table which content will be compared to the target object current properties.
+--
+-- The comparison will be made using the lesser (`>`) operator.
+--
+-- @rulecomponent rule_greater
+-- @param table
+-- @see rule
+-- @see except
+
 --- An identifier for this rule.
 --
 -- It can be anything. It will be compared with the `==` operator. Strings are
@@ -60,4 +78,4 @@
 -- modify or disable a rule.
 --
 -- @rulecomponent id
--- @param table|string|number|function
+-- @tparam table|string|number|function id

docs/config.ld

@@ -756,6 +756,7 @@ local display_type = {
     deprecatedproperty = true,
     clientruleproperty = true,
     matchingproperty   = true,
+    rulecomponent      = true,
 }
 
 -- Show return values.