update: readme with new snippets

Author: ui2code

README.md

@@ -43,6 +43,7 @@ You can see all installed snippets in `Tools > Snippets...`, in the sublime text
 * (jQuery) [https://api.jquery.com/](https://api.jquery.com/)
 * (jQuery Boilerplate)[https://jqueryboilerplate.com/](https://jqueryboilerplate.com/)
 * (JSDuck) [https://github.com/senchalabs/jsduck](https://github.com/senchalabs/jsduck)
+* (idiomatic CSS) [https://github.com/necolas/idiomatic-css](https://github.com/necolas/idiomatic-css)
 
 ## Contributing
 

snippets/comment/README.md

@@ -1,6 +1,9 @@
 # Comment Snippets
 
 - [HTML](html/)
+  - Basic
+  - Block
+  - Conditional
   - End Tag
 - [CSS](css/)
   - Basic

snippets/comment/html/README.md

@@ -2,6 +2,28 @@
 
 Prefix `xh*`
 
+### [xhbasic] basic
+
+```html
+<!-- ${1:div} -->
+```
+
+### [xhblock] block
+
+```html
+<!-- ${1:title}
+${2:description}
+-->
+```
+
+### [xhcond] conditional
+
+```html
+<!--[if ${1:IE} ${2:8}]>
+  ${3}
+<![endif]-->
+```
+
 ### [xhend] end tag
 
 ```html