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

2014/endoh2/README.md

@@ -5,19 +5,22 @@ Yusuke Endoh\
 <https://github.com/mame/>\
 Mastodon: [@mame@ruby.social](https://ruby.social/@mame)
 
+
 ## To build:
 
 ```sh
 make
 ```
 
+
 ## To use:
 
 ```sh
 ./prog < input > output
 ```
 
-## Try:
+
+### Try:
 
 ```sh
 echo Hello | ./prog
@@ -27,12 +30,14 @@ make hello
 ./hello
 ```
 
+
 ## Judges' remarks:
 
 If you look closely at the source, you will see code that appears
 to puts C code that includes itself.  How and why?  Perhaps it is
 in the DNA code of the code? Perhaps there are 23 reasons? :-)
 
+
 ## Author's remarks:
 
 ### Remarks
@@ -54,6 +59,7 @@ Enjoy DNA programming!
 * The synthesized helix of course follows the base-pairing rules for DNA:
   A is bonding only to T, and C is bonding only to G.
 
+
 ## Copyright and CC BY-SA 4.0 License:
 
 This file is Copyright (c) 2023 by Landon Curt Noll.  All Rights Reserved.