- Linting (HTML): Use double-quotes for attributes, remove redundant type=text/css,

indent/lbs, consistent non-use of HTML namespace, consistent indents, consistent charset
    casing
- Linting (Markdown): Add `.remarkrc`, use proper hierarchical headings, use consistent
    heading format, trailing spaces
- `composer.json`: consistent property spacing
- License: Add `.txt` extension, update copyright date, and reflect type (MIT) in file name
- Credits: Add self
- npm: Add `package.json` (version 3.0.0-alpha.1 for npm release only; just reserving name)

.remarkrc

@@ -0,0 +1,10 @@
+{
+  "plugins": {
+    "lint": {
+        "ordered-list-marker-value": "one",
+        "no-missing-blank-lines": false,
+        "list-item-spacing": false,
+        "list-item-indent": false
+    }
+  }
+}