Clean up Debug index.html code and add missing modules to script.sh

* added to script.sh: debug, font-style, and forms
* removed extra closing tags and added proper indentation for
src/templates/docs/debug/index.html file

Author: donnieberg

script.sh

@@ -6,11 +6,14 @@ repos=(
   "src/modules/borders.js"
   "src/modules/box-sizing.js"
   "src/modules/clearfix.js"
+  "src/modules/debug.js"
   "src/modules/display.js"
   "src/modules/docs.js"
   "src/modules/floats.js"
   "src/modules/font-family.js"
+  "src/modules/font-style.js"
   "src/modules/font-weight.js"
+  "src/modules/forms.js"
   "src/modules/heights.js"
   "src/modules/hovers.js"
   "src/modules/images.js"