🔧 fix: grouping docs (#246)

* 📘 doc: adjust and fix text

- Adjust grammar;
- Fix route example.

* 📘 doc: improve titles

* 🔨 refactor: change file name for consistency

* 🔧 fix: adjust Grouping config entry

* 🔧 fix: adjust route name +menu label

---------

Co-authored-by: bogeychan <[email protected]>

Author: gyohza

docs/.vitepress/config.ts

@@ -256,8 +256,8 @@ export default defineConfig({
                 collapsed: true,
                 items: [
                     {
-                        text: 'Group',
-                        link: '/patterns/group'
+                        text: 'Grouping Routes',
+                        link: '/patterns/grouping-routes'
                     },
                     {
                         text: 'Cookie',

docs/patterns/group.md renamed to docs/patterns/grouping-routes.md

@@ -7,16 +7,16 @@ head:
 
     - - meta
       - name: 'description'
-        content: Grouping allows you to set prefix for multiple route once, with ".group". Suppose you have many paths with the same prefix instead of writing many same prefixes, you can group them using a single ".group" method
+        content: Grouping allows you to set prefixes for multiple routes at once, with ".group". Suppose you have many paths with the same prefix - instead of writing the same prefix multiple times, you can group them using a single ".group" method
 
     - - meta
       - property: 'og:description'
-        content: Grouping allows you to set prefix for multiple route once, with ".group". Suppose you have many paths with the same prefix instead of writing many same prefixes, you can group them using a single ".group" method
+        content: Grouping allows you to set prefixes for multiple routes at once, with ".group". Suppose you have many paths with the same prefix - instead of writing the same prefix multiple times, you can group them using a single ".group" method
 ---
 
-# Group
+# Grouping Routes
 
-When creating a web server, you would often find multiple routes sharing the same prefix.
+When creating a web server, you would often have multiple routes sharing the same prefix:
 
 ```typescript
 new Elysia()
@@ -26,7 +26,7 @@ new Elysia()
     .listen(3000)
 ```
 
-This can be improve with `Elysia.group`, allowing us to apply prefix to multiple routes a the same time by grouping them together.
+This can be improved with `Elysia.group`, allowing us to apply prefixes to multiple routes at the same time by grouping them together:
 
 ```typescript
 new Elysia()
@@ -39,15 +39,15 @@ new Elysia()
     .listen(3000)
 ```
 
-This code behave the same as our first example and should response as follows:
+This code behaves the same as our first example and should be structured as follows:
 
-| Path     | Result  |
-| -------- | ------- |
+| Path          | Result  |
+| ------------- | ------- |
 | /user/sign-in | Sign in |
-| /user/sign-in | Sign up |
-| /user/sign-in | Profile |
+| /user/sign-up | Sign up |
+| /user/profile | Profile |
 
-Group can also accept an optional guard parameter to reduce boilerplate of using group and guard together.
+`.group()` can also accept an optional guard parameter to reduce boilerplate of using groups and guards together:
 
 ```typescript
 new Elysia()
@@ -60,11 +60,11 @@ new Elysia()
     .listen(3000)
 ```
 
-You may find more information about grouped guard in [scope](/essential/scope.html).
+You may find more information about grouped guards in [scope](/essential/scope.html).
 
-## Prefix
+## Prefixing
 
-We can separate a group into a separate plugin instance to reduce nesting by providing **prefix** to constructor.
+We can separate a group into a separate plugin instance to reduce nesting by providing a **prefix** to the constructor.
 
 ```typescript
 import { Elysia } from 'elysia'