update html-end-tags rule

Author: mysticatea

docs/rules/html-end-tags.md

@@ -5,30 +5,22 @@
 
 ## :book: Rule Details
 
-This rule reports:
-
-- presence of and end tag on [Void elements](https://www.w3.org/TR/html51/syntax.html#void-elements)
-- absence of both an end tag (e.g. `</div>`) and a self-closing opening tag (e.g. `<div/>`) on other elements
-
-:-1: Examples of **incorrect** code for this rule:
-
-```html
-<div>
-<p>
-<p>
-<input></input>
-<br></br>
-```
-
-:+1: Examples of **correct** code for this rule:
-
-```html
-<div></div>
-<p></p>
-<p></p>
-<input>
-<br>
-```
+This rule aims to disallow lacking end tags.
+
+<eslint-code-block :rules="{'vue/html-end-tags': ['error']}" code="
+&lt;template&gt;
+  &lt;!-- ✓ GOOD --&gt;
+  &lt;div&gt;&lt;/div&gt;
+  &lt;p&gt;&lt;/p&gt;
+  &lt;p&gt;&lt;/p&gt;
+  &lt;input&gt;
+  &lt;br&gt;
+
+  &lt;!-- ✗ BAD --&gt;
+  &lt;div&gt;
+  &lt;p&gt;
+&lt;/template&gt;
+" />
 
 ## :wrench: Options