🐱 add .github/ with issue template and contrib

CONTRIBUTING.mdown → .github/contributing.md

@@ -4,8 +4,17 @@
 
 All bug reports and problem issues require a [**reduced test case**](http://css-tricks.com/reduced-test-cases/). Create one by forking any one of the [CodePen examples](http://codepen.io/desandro/tag/masonry-docs) from [the docs](http://masonry.desanro.com).
 
+**CodePens**
+
++ [Basic layout](http://codepen.io/desandro/pen/osFxj)
++ [Fluid layout](http://codepen.io/desandro/pen/JFpeg)
++ [imagesLoaded progress](http://codepen.io/desandro/pen/RPKgEN)
++ [layout method](http://codepen.io/desandro/pen/JdEyYQ)
+
+**Test cases**
+
 + A reduced test case clearly demonstrates the bug or issue.
 + It contains the bare minimum HTML, CSS, and JavaScript required to demonstrate the bug.
 + A link to your production site is **not** a reduced test case.
 
-Providing a reduced test case is the best way to get your issue addressed. Without a reduced test case, your issue may be closed.
+Providing a reduced test case is the best way to get your issue addressed. Without a reduced test case, your issue may be closed.

.github/issue_template.md

@@ -0,0 +1,3 @@
+<!-- Thanks for submitting an issue! All bug reports and problem issues require a **reduced test case**. Create one by forking any one of the CodePen examples from the docs. See guidelines link above. -->
+
+**Test case:** http://codepen.io/desandro/pen/osFxj

bower.json

@@ -18,7 +18,6 @@
     "test",
     "tests",
     "sandbox/",
-    "CONTRIBUTING.mdown",
     "gulpfile.js",
     "package.json",
     "composer.json"