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

2018/giles/README.md

@@ -2,6 +2,7 @@
 
     Edward Giles
 
+
 ## To build:
 
 This entry requires SDL2 to be installed.
@@ -88,7 +89,8 @@ See also the judges' remarks below.
 ./prog
 ```
 
-## Try:
+
+### Try:
 
 ```sh
 ./prog ioccc.txt
@@ -97,6 +99,7 @@ See also the judges' remarks below.
 ./prog sand.alt.txt
 ```
 
+
 ## Judges' remarks:
 
 Can you explain the behavior of the program when ioccc.txt is given to it as input?
@@ -113,6 +116,7 @@ brew install sdl2		 # macOS via Homebrew
 sudo port install libsdl2	 # macOS via MacPorts
 ```
 
+
 ## Author's remarks:
 
 ### Remarks
@@ -140,6 +144,7 @@ The preprocessor is used to both obfuscate the code as a whole and abbreviate
 the calls to SDL. Additionally, throughout the code, the variables were named
 so that they are short and easily confused with each other.
 
+
 ## Copyright and CC BY-SA 4.0 License:
 
 This file is Copyright (c) 2023 by Landon Curt Noll.  All Rights Reserved.