add some config formats

Author: tbrowder

doc/Language/pod.pod6

@@ -46,11 +46,12 @@ different ways by different types of blocks, but is always specified using
 Perl6-ish option pairs. That is, any of:
 
 =begin table
- Value is...       Specify with...       Or with...
- ===============   ===================   ==============
- Boolean (true)    :key                  :key(1)
- Boolean (false)   :!key                 :key(0)
- String            :key<str>             :key('str')
+ Value is...       Specify with...       Or with...       Or with...
+ ===============   ===================   ==============   ==============
+ Boolean (true)    :key                  :key(True)
+ Boolean (false)   :!key                 :key(False)
+ String            :key<str>             :key('str')      :key("str")
+ Number            :key(23)              :key(4.6)
  List              :key[1, 'b', 3]
  Hash              :key{a=>1, b=>'x'}
 =end table