feat: Eslint rules (#9839)

# Pull Request Template

## Description

This PR adds new eslint rules to the code base.

**Error rules**

|    Rule name     | Type | Files updated |
| ----------------- | --- | - |
| `vue/block-order`  | error  |  ✅  |
| `vue/component-name-in-template-casing`  | error  |  ✅  |
| `vue/component-options-name-casing`  | error  |  ✅  |
| `vue/custom-event-name-casing`  | error  |  ✅  |
| `vue/define-emits-declaration`  | error  |  ✅  |
| `vue/no-unused-properties`  | error  |  ✅  |
| `vue/define-macros-order`  | error  |  ✅  |
| `vue/define-props-declaration`  | error  |  ✅  |
| `vue/match-component-import-name`  | error  |  ✅  |
| `vue/next-tick-style`  | error  |  ✅  |
| `vue/no-bare-strings-in-template`  | error  |  ✅  |
| `vue/no-empty-component-block`  | error  |  ✅  |
| `vue/no-multiple-objects-in-class`  | error  |  ✅  |
| `vue/no-required-prop-with-default`  | error  |  ✅  |
| `vue/no-static-inline-styles`  | error  |  ✅  |
| `vue/no-template-target-blank`  | error  |  ✅  |
| `vue/no-this-in-before-route-enter`  | error  |  ✅  |
| `vue/no-undef-components`  | error  |  ✅  |
| `vue/no-unused-emit-declarations`  | error  |  ✅  |
| `vue/no-unused-refs`  | error  |  ✅  |
| `vue/no-use-v-else-with-v-for`  | error  |  ✅  |
| `vue/no-useless-v-bind`  | error  |  ✅  |
| `vue/no-v-text`  | error  |  ✅  |
| `vue/padding-line-between-blocks`  | error  |  ✅  |
| ~`vue/prefer-prop-type-boolean-first`~ | ~error~ | ❌ (removed this
rule, cause a bug in displaying custom attributes) |
| `vue/prefer-separate-static-class`  | error  |  ✅  |
| `vue/prefer-true-attribute-shorthand`  | error  |  ✅  |
| `vue/require-explicit-slots`  | error  |  ✅  |
| `vue/require-macro-variable-name`  | error  |  ✅  |


**Warn rules**

|    Rule name     | Type | Files updated |
| ---- | ------------- | ------------- |
| `vue/no-root-v-if`  | warn  |  ❎  |


Fixes https://linear.app/chatwoot/issue/CW-3492/vue-eslint-rules

## Type of change

- [x] New feature (non-breaking change which adds functionality)


## Checklist:

- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my code
- [x] I have commented on my code, particularly in hard-to-understand
areas
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream
modules

---------

Co-authored-by: Fayaz Ahmed <fayazara@gmail.com>
Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>
Co-authored-by: Shivam Mishra <scm.mymail@gmail.com>
Co-authored-by: Pranav <pranav@chatwoot.com>

app/javascript/portal/components/TableOfContents.vue

@@ -1,33 +1,3 @@
-<template>
-  <div class="hidden lg:block flex-1 py-6 scroll-mt-24 pl-4">
-    <div v-if="rows.length > 0" class="sticky top-24 py-2 overflow-auto">
-      <nav class="max-w-2xl">
-        <ol
-          role="list"
-          class="flex flex-col gap-2 text-base border-l-2 border-solid border-slate-100 dark:border-slate-800"
-        >
-          <li
-            v-for="element in rows"
-            :key="element.slug"
-            class="leading-6 border-l-2 relative -left-0.5 border-solid"
-            :class="elementBorderStyles(element)"
-          >
-            <p class="py-1 px-3" :class="getClassName(element)">
-              <a
-                :href="`#${element.slug}`"
-                data-turbolinks="false"
-                class="font-medium text-sm tracking-[0.28px] cursor-pointer"
-                :class="elementTextStyles(element)"
-              >
-                {{ element.title }}
-              </a>
-            </p>
-          </li>
-        </ol>
-      </nav>
-    </div>
-  </div>
-</template>
 <script>
 export default {
   props: {
@@ -122,3 +92,34 @@ export default {
   },
 };
 </script>
+
+<template>
+  <div class="hidden lg:block flex-1 py-6 scroll-mt-24 pl-4">
+    <div v-if="rows.length > 0" class="sticky top-24 py-2 overflow-auto">
+      <nav class="max-w-2xl">
+        <ol
+          role="list"
+          class="flex flex-col gap-2 text-base border-l-2 border-solid border-slate-100 dark:border-slate-800"
+        >
+          <li
+            v-for="element in rows"
+            :key="element.slug"
+            class="leading-6 border-l-2 relative -left-0.5 border-solid"
+            :class="elementBorderStyles(element)"
+          >
+            <p class="py-1 px-3" :class="getClassName(element)">
+              <a
+                :href="`#${element.slug}`"
+                data-turbolinks="false"
+                class="font-medium text-sm tracking-[0.28px] cursor-pointer"
+                :class="elementTextStyles(element)"
+              >
+                {{ element.title }}
+              </a>
+            </p>
+          </li>
+        </ol>
+      </nav>
+    </div>
+  </div>
+</template>