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

2013/endoh2/README.md

@@ -5,12 +5,14 @@ Yusuke Endoh\
 <https://github.com/mame/>\
 Mastodon: [@mame@ruby.social](https://ruby.social/@mame)
 
+
 ## To build:
 
 ```sh
 make
 ```
 
+
 ## To use:
 
 ```sh
@@ -26,7 +28,8 @@ section to enjoy the entry. The [Makefile](Makefile) `check` rule will check if
 you have both and if either is not found it will report it and tell you where to
 download one or both before exiting.
 
-## Try:
+
+### Try:
 
 ```sh
 cat jpeg.c
@@ -34,7 +37,9 @@ cat jpeg.c
 
 Next look at `jpeg.jpg` in an image viewer program.
 
+
 ## Judges' remarks:
+
 \
 This is a program which, when fed its own source, generates a program that
 almost is its whitespace inverse, which, in its order, generates a JPEG file
@@ -45,6 +50,7 @@ program...)
 Don't pay attention to the OCR ~~behind the ruby curtain~~ --- it's a
 straightforward bitmap comparison.
 
+
 ## Author's remarks:
 
 ### Highlights
@@ -96,6 +102,7 @@ FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 DEALINGS IN THE SOFTWARE.
 ```
 
+
 ## Copyright and CC BY-SA 4.0 License:
 
 This file is Copyright (c) 2023 by Landon Curt Noll.  All Rights Reserved.