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

1988/isaak/README.md

@@ -3,6 +3,7 @@
 Mark Isaak\
 US
 
+
 ## To build:
 
 ```sh
@@ -13,6 +14,7 @@ There is an alternate version, the original, that can't be compiled in modern
 systems but can be if you have an old enough compiler. See [Alternate
 code](#alternate-code) below.
 
+
 ## To use:
 
 ```sh
@@ -45,6 +47,7 @@ make alt
 
 Use `isaak.alt` as you would `isaak` above.
 
+
 ## Judges' remarks:
 
 The program relies heavily on ASCII.  Don't even think of running it on
@@ -75,6 +78,7 @@ Since this was fixed, this file is not strictly necessary. See the
 
 FYI: We are likely to be more strict about portability in the future.
 
+
 ## Author's remarks:
 
 No remarks were provided by the author.