checkpoint on updating the rules and guidelines

Added a `#weverything` div tag to the FAQ.

Expanded and improved(?) a number of rules and guidelines.
In particular, the consequences of the new mkiocccentry
repo have been put into the rules and guidelines.

This is a checkpoint from which we can review,
edit and improve.

faq.md

@@ -103,9 +103,11 @@ other inconsistencies with the original entry?](#faq4_3)
 
 <div id="faq0_0">
 <div id="submit">
+<div id="register">
 ### FAQ 0.0: How may I enter the IOCCC?
 </div>
 </div>
+</div>
 
 To submit your code to the IOCCC, you **MUST** follow these steps:
 
@@ -1636,8 +1638,10 @@ include this here, at least for now.
 
 
 <div id="faq3_11">
+<div id="weverything">
 ### FAQ 3.11: Why do Makefiles use -Weverything with clang?
 </div>
+</div>
 
 While we know that use of `-Weverything` is generally not recommended
 by `clang` C compiler developers, we do use the `-Weverything`