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

2018/endoh1/README.md

@@ -4,25 +4,29 @@ Yusuke Endoh\
 <https://github.com/mame/>\
 Mastodon: [@mame@ruby.social](https://ruby.social/@mame)
 
+
 ## To build:
 
 ```sh
 make
 ```
 
+
 ## To use:
 
 ```sh
 ./prog < textfile > output.gif
 ```
 
-## Try:
+
+### Try:
 
 ```sh
 ./prog < golem.txt > golem.gif
 ./prog < smily.txt > smily.gif
 ```
 
+
 ## Judges' remarks:
 
 To get the best experience, use a GIF viewer that can handle animated gifs.
@@ -37,6 +41,7 @@ You should only give this program printable ASCII characters.
 Unfortunately this won't run on your PDP8, if you had one, as it needs at
 least 2MiB of memory to run in.
 
+
 ## Author's remarks:
 
 This program generates an animated GIF from a plain text.  Run:
@@ -62,6 +67,7 @@ The program itself has a hidden message.
 ./prog < prog.c > prog.gif
 ```
 
+
 ## Copyright and CC BY-SA 4.0 License:
 
 This file is Copyright (c) 2023 by Landon Curt Noll.  All Rights Reserved.