Fix missing "vue/" prefix in docs (#587)

Author: ThomasR

docs/rules/html-closing-bracket-newline.md

@@ -42,7 +42,7 @@ Plus, you can use [`vue/html-indent`](./html-indent.md) rule to enforce indent-l
 :-1: Examples of **incorrect** code for this rule:
 
 ```html
-<!-- eslint html-closing-bracket-newline: "error" -->
+<!-- eslint vue/html-closing-bracket-newline: "error" -->
 
 <div id="foo" class="bar"
 >
@@ -55,7 +55,7 @@ Plus, you can use [`vue/html-indent`](./html-indent.md) rule to enforce indent-l
 :+1: Examples of **correct** code for this rule:
 
 ```html
-<!-- eslint html-closing-bracket-newline: "error" -->
+<!-- eslint vue/html-closing-bracket-newline: "error" -->
 
 <div id="foo" class="bar">
 <div
@@ -67,7 +67,7 @@ Plus, you can use [`vue/html-indent`](./html-indent.md) rule to enforce indent-l
 :-1: Examples of **incorrect** code for `{ "multiline": "never" }`:
 
 ```html
-<!-- eslint html-closing-bracket-newline: ["error", { multiline: never }] -->
+<!-- eslint vue/html-closing-bracket-newline: ["error", { multiline: never }] -->
 
 <div
     id="foo"
@@ -78,7 +78,7 @@ Plus, you can use [`vue/html-indent`](./html-indent.md) rule to enforce indent-l
 :+1: Examples of **correct** code for `{ "multiline": "never" }`:
 
 ```html
-<!-- html-closing-bracket-newline: ["error", { multiline: never }] -->
+<!-- eslint vue/html-closing-bracket-newline: ["error", { multiline: never }] -->
 
 <div
     id="foo"

docs/rules/html-closing-bracket-spacing.md

@@ -37,7 +37,7 @@ This rule has options.
 Examples of **incorrect** code for this rule:
 
 ```html
-<!--eslint html-closing-bracket-spacing: "error" -->
+<!--eslint vue/html-closing-bracket-spacing: "error" -->
 
 <div >
 <div foo >
@@ -51,7 +51,7 @@ Examples of **incorrect** code for this rule:
 Examples of **correct** code for this rule:
 
 ```html
-<!--eslint html-closing-bracket-spacing: "error" -->
+<!--eslint vue/html-closing-bracket-spacing: "error" -->
 
 <div>
 <div foo>
@@ -63,7 +63,7 @@ Examples of **correct** code for this rule:
 ```
 
 ```html
-<!--eslint html-closing-bracket-spacing: ["error", {
+<!--eslint vue/html-closing-bracket-spacing: ["error", {
     "startTag": "always",
     "endTag": "always",
     "selfClosingTag": "always"

docs/rules/script-indent.md

@@ -26,7 +26,7 @@ This rule has some options.
 :+1: Examples of **correct** code for this rule:
 
 ```js
-/*eslint script-indent: "error"*/
+/*eslint vue/script-indent: "error"*/
 <script>
 let a = {
   foo: 1,
@@ -54,7 +54,7 @@ const d = {
 :+1: Examples of **correct** code for this rule:
 
 ```js
-/*eslint script-indent: ["error", 2, {"baseIndent": 1}]*/
+/*eslint vue/script-indent: ["error", 2, {"baseIndent": 1}]*/
 <script>
   let a = {
     foo: 1,