move fix thanks a file, update top level html links, rename CONTRIBUTING.md

The fix thank you's have been moved from `README.md` to
`thanks-for-fixes.md`.

**WARNING**: Some mistakes may have been made in doing this.
We presume later changes by others will correct any issues.

The `CONTRIBUTING.md` was renamed `how-to-enter.md`.

A 3rd line of links was added to top level html such as
`contact.html`, `index.html`, `judges.html`, `winners.html`,
and `years.html`.

Improved blank line use in a number (but not all) `README.md` files.

2006/monge/README.md

@@ -4,6 +4,7 @@ Maurizio Monge
 Italy
 <maurizio.monge at gmail dot com>
 
+
 ## To build:
 
 Make sure you have the SDL1 (not SDL2!) development environment installed.
@@ -12,14 +13,6 @@ Make sure you have the SDL1 (not SDL2!) development environment installed.
 make
 ```
 
-[Cody Boone Ferguson](/winners.html#Cody_Boone_Ferguson) pointed out that
-without SDL1 (**not** SDL2) this will not link because two functions that are
-used were removed from SDL2. Since SDL1 is still available and since changing
-the code to use SDL2 would be more complicated he decided to change the Makefile
-to use `sdl-config` not `sdl2-config`. Nevertheless he points out that the entry
-requires x86/x86_64 CPUs. Without it it might very well segfault (for instance
-it segfaulted on his MacBook Pro with the M1 chip).
-
 
 ## To run:
 
@@ -27,6 +20,7 @@ it segfaulted on his MacBook Pro with the M1 chip).
 ./monge expression ...
 ```
 
+
 ## Try:
 
 ```sh
@@ -37,6 +31,7 @@ it segfaulted on his MacBook Pro with the M1 chip).
 
 Incorrect formulas will ungracefully crash the program.
 
+
 ## Judges' remarks:
 
 For those who are familiar with the previous [IOCCC winners](/winners.html),
@@ -52,6 +47,7 @@ At the time of judging we were too mesmerized by the graphics
 to realize it; and, after all, this entry does take a special
 effort to work on both `i386` and `x86_64`. Portable it is! :)
 
+
 ## Author's remarks:
 
 ### For the impatient:
@@ -209,6 +205,7 @@ floating point offset to where the value was actually calculated.
 When zooming, the best match is searched, and if the offset is
 too big (`>1`) the pixel is recalculated.
 
+
 ## Copyright and CC BY-SA 4.0 License:
 
 This file is Copyright (c) 2023 by Landon Curt Noll.  All Rights Reserved.