Update README.md

Fix unordered list indentation

Author: jwbth

README.md

@@ -108,7 +108,7 @@ npm install eslint-plugin-import --save-dev
 
 All rules are off by default. You may extend one of the canned configs, or configure them manually in your `.eslintrc.(yml|json|js)`.
 
-- Extending a canned config:
+ - Extending a canned config:
 
    ```yaml
    extends:
@@ -123,20 +123,20 @@ All rules are off by default. You may extend one of the canned configs, or confi
      - plugin:import/warnings
    ```
 
-- Configuring manually:
+ - Configuring manually:
 
-  ```yaml
-  plugins:
-    - import
-
-  rules:
-    import/no-unresolved: [2, {commonjs: true, amd: true}]
-    import/named: 2
-    import/namespace: 2
-    import/default: 2
-    import/export: 2
-    # etc...
-  ```
+   ```yaml
+   plugins:
+     - import
+
+   rules:
+     import/no-unresolved: [2, {commonjs: true, amd: true}]
+     import/named: 2
+     import/namespace: 2
+     import/default: 2
+     import/export: 2
+     # etc...
+   ```
 
 ## TypeScript