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

2005/jetro/README.md

@@ -4,6 +4,7 @@ Jetro Lauha\
 Finland\
 <http://jet.ro>
 
+
 ## To build:
 
 This entry requires SDL to be installed.
@@ -24,12 +25,14 @@ make
 ./jetro
 ```
 
-## Try:
+
+### Try:
 
 ```sh
 echo "Do or do not. There is no try."
 ```
 
+
 ## Judges' remarks:
 
 We have seen entries with SDL graphics in the past, now it's time for SDL
@@ -39,6 +42,7 @@ into the SDL documentation.
 
 Can you figure out how the notes are encoded and program a different melody?
 
+
 ## Author's remarks:
 
 To compile the entry you need SDL library, which is used only for audio
@@ -47,6 +51,7 @@ plays 22KHz 16 bit mono music with a small softsynth. When the music plays,
 you can stop the application by pressing enter, as the code will just wait
 with one call to getchar() before it quits.
 
+
 ## Copyright and CC BY-SA 4.0 License:
 
 This file is Copyright (c) 2023 by Landon Curt Noll.  All Rights Reserved.