build several top level HTML files

We build several top level HTML files whose content
comes from top level markdown files:

- CODE_OF_CONDUCT.html
- README.html
- bugs.html
- contact.html
- faq.html
- thanks-for-help.html

Added new `bin/gen-top-md2html.sh` to perform the above.

Added `make gen_top_md2html` rule to top level Makefile.
Added `make gen_top_md2html` to `make quick_www` and `make www`.

Improved top level jump links for `authors.html`.
Updated `bin/gen-authors.sh` to improve the top level jump links.
Changed `bin/gen-authors.sh` version from "1.0.1 2024-02-23"
to "1.1 2024-02-25".

Changed typo of "TITIE" into "TITLE".

Fixed `bin/subst.entry-index.sh` as per the above typo.
Changed `bin/subst.entry-index.sh` version from "1.2.1 2024-02-23"
to "1.2.2 2024-02-25".

Updated the `inc/md2html.cfg` config file to perform the above.

Performed `make quick_www` which updated `2000/natori/index.html`.

bin/README.md

@@ -91,6 +91,26 @@ bin/gen-location.sh -v 1
 ```
 
 
+### [gen-top-md2html.sh](gen-top-md2html.sh)
+
+Generate a number of top level HTML pages for the IOCCC web sites.
+
+Usage:
+
+```sh
+bin/gen-top-md2html.sh -v 1
+```
+
+Examples of top level HTML pages built by this tool include:
+
+- [CODE_OF_CONDUCT.html](CODE_OF_CONDUCT.html)
+- [README.html](README.html)
+- [bugs.html](bugs.html)
+- [contact.html](contact.html)
+- [faq.html](faq.html)
+- [thanks-for-help.html](thanks-for-help.html)
+
+
 ### [gen-year-index.sh](gen-year-index.sh)
 
 Generate an `index.html` page for an given IOCCC year.
@@ -435,14 +455,14 @@ IMPORTANT: An "output tool" will print each command line option / argument on a
 So for example, if an "output tool" wishes to convey:
 
 ```
--s TITIE='IOCCC entry locations' -H topnav=top-of-site
+-s TITLE='IOCCC entry locations' -H topnav=top-of-site
 ```
 
 The  "output tool" would output the following 4 lines:
 
 ```
 -s
-TITIE='IOCCC entry locations'
+TITLE='IOCCC entry locations'
 -H
 topnav=top-of-site
 ```