update rules and guideline headers

Harmonized and improve the headers that are prepended
to the rules and guidelines given the IOCCC state.

Attempted to make the headers that are prepended
to the rules and guidelines more consistent.

Make reference to, where applicable, FAQs
about feedback and questions in those headers.

Perform `make www` to perform the above and test under macOS.

inc/rules.pending.hdr

@@ -11,12 +11,18 @@ See both the [IOCCC news](../news.html) and the [IOCCC
 Mastodon](https://fosstodon.org/@ioccc) feed as _sometimes_ the
 [IOCCC judges](../judges.html) _mention_ changes there.
 
+See our [FAQ about providing feedback](../faq.html#feedback) as well
+as our [FAQ about asking questions](../faq.html#question) about
+these quidelines.
+
 
 # The IOCCC is not yet open
 
 While the IOCCC is not open now, there is a tentative opening date for the next IOCCC.
 
-Comments and suggestions on these preliminary items are welcome.
+Comments and suggestions on these preliminary rules are welcome.  See the
+[FAQ](../faq.html#feedback) for how to suggest, correct or provide feedback
+about thse rules.
 
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