Update README.md: some options

always-semicolon.js
block-indent.js
colon-space.js

Author: mishanga

README.md

@@ -31,7 +31,6 @@ To run `csscomb`, you can use the following command from the project root:
 `csscomb` is configured using `.csscomb.json` file, located in the project root.
 
 Example configuration:
-
 ```json
 {
     "exclude": ["node_modules/**"],
@@ -44,6 +43,55 @@ Example configuration:
 }
 ```
 
+## Options
+
+### always-semicolon
+
+Available value: `{Boolean}` true
+
+Example: `{ "always-semicolon": true }`
+```css
+/* before */
+a { color: red }
+
+/* after */
+a { color: red; }
+```
+
+### block-indent
+
+Available values:
+  * `{Boolean}` true
+  * `{Number}` of spaces
+  * `{String}` of space characters (`/[ \t]*`)
+
+Example: `{ "block-indent": 2 }`
+```css
+/* before */
+  a { color: red }
+  @media all { a { color: green } }
+
+/* after */
+a { color: red }
+@media all {
+  a { color: green }
+}
+```
+
+### colon-space
+Available values:
+  * `{Boolean}` true (means `after`)
+  * `{String}`: `before`, `after` or `both`
+
+Example: `{ "colon-space": true }`
+```css
+/* before */
+a { color:red }
+
+/* after */
+a { color: red }
+```
+
 ## Tests
 
 Run `npm test` for tests.