fix standard headers and header spacing in winner README.md files

2015/dogon/README.md

@@ -3,19 +3,22 @@
     Gil Dogon\
     <http://sokoban-gild.com>
 
+
 ## To build:
 
 ```sh
 make
 ```
 
+
 ## To use:
 
 ```sh
 ./prog
 ```
 
-## Try:
+
+### Try:
 
 ```sh
 ./prog
@@ -47,6 +50,7 @@ etc.
 
 Press the ESC key
 
+
 ## Judges' remarks:
 
 You are in a twisty maze blocks, almost all alike.
@@ -60,6 +64,7 @@ number function keys such as F30 or F31?  :-)
 
 *Textures? We don't need no stinking textures.*
 
+
 ## Author's remarks:
 
 ### What is it?
@@ -188,6 +193,7 @@ adjusted simultaneously by the expression: `o=o*b>>8`. Of course some spare bits
 are needed between the components, so they are spread in the long long and
 reordered as RBG.
 
+
 ## Copyright and CC BY-SA 4.0 License:
 
 This file is Copyright (c) 2023 by Landon Curt Noll.  All Rights Reserved.