docs(tag-check): Add example and explain all options

docs/user-guide/rules/tags-check.md

@@ -3,7 +3,61 @@ id: tags-check
 title: tags-check
 ---
 
-Allowing specify rules for any tag and validate that
+Check if particular tags are self-closing or must include or exclude particular tags.
+
+Level: `error`
+
+## Config value
+
+1. true: enable rule
+2. false: disable rule
+3. {}: configuration object, mapping values of tags to their respective configuration. Tags configuration can have properties of:
+
+`selfclosing`
+
+If an element is or is not self-closing, when it otherwise should be.
+
+Level: `warn`
+
+`attrsRequired`
+
+If an element is missing an attribute that should exist.
+
+Level: `error`
+
+`redundantAttrs`
+
+If an element has an attribute that is not necessary.
+
+Level: `error`
+
+`attrsOptional`
+
+If an element has an attribute that is not included in the allowable set.
+
+Level: `error`
+
+### Example
+
+```json
+{
+ ...
+ "tags-check": {
+ "a": {
+ "selfclosing": true,
+ "attrsRequired": ["href", "title"],
+ "redundantAttrs": ["alt"],
+ }
+ },
+ "script": {
+ "attrsOptional": [
+ ["async", "async"],
+ ["defer", "defer"],
+ ],
+ },
+ ...
+}
+```
 
 The following pattern are **not** considered violations:
 
@@ -15,7 +69,7 @@ The following pattern are **not** considered violations:
 <img src="bbb" title="aaa" alt="asd" />
 ```
 
-The following pattern is considered violation:
+The following pattern is considered a violation:
 
 <!-- prettier-ignore -->
 ```html