Clean up .gitignore

.gitignore

@@ -1,19 +1,31 @@
+# IDE generated files
 .cproject
 .project
-.idea/
-.jekyll-metadata
+/.idea/
+
+# Jekyll generated (website) artifacts
+/.jekyll-metadata
+/_site/
+/_cache/
+/_support/
+
+# Build artifacts
 *.o
 *.a
-_support/
-doc/boxes.1
+/src/boxes
+/src/boxes.exe
+/src/boxes.h
+/src/lex.yy.c
+/src/parser.h
+/src/parser.c
+/doc/boxes.1
+
+# Linux Packaging
 doc/*.tar.gz
 *.tar.gz
-src/boxes
-src/boxes.exe
-src/boxes.h
-src/lex.yy.c
-src/parser.h
-src/parser.c
-bin/
-_site/
-_cache/
+
+# Chocolatey Packaging
+/tools/boxes.*
+/tools/README*.md
+/tools/LICENSE.txt
+/boxes.portable.*.nupkg