Reflect body-parser changes in 5.x API docs and include those that where missing (expressjs#1883)

* Reflect body-parser changes in 5.x API docs

* Include missing body-parser middleware docs and alphabetize

This is expressjs@8225868, but for 5.x API.

---------

Co-authored-by: krzysdz <krzysdz@users.noreply.github.com>
Co-authored-by: Sebastian Beltran <bjohansebas@gmail.com>

Author: krzysdz

_includes/api/en/5x/express.json.md

@@ -10,7 +10,7 @@ Unicode encoding of the body and supports automatic inflation of `gzip` and
 `deflate` encodings.
 
 A new `body` object containing the parsed data is populated on the `request`
-object after the middleware (i.e. `req.body`), or an empty object (`{}`) if
+object after the middleware (i.e. `req.body`), or `undefined` if
 there was no body to parse, the `Content-Type` was not matched, or an error
 occurred.
 

_includes/api/en/5x/express.md

@@ -14,13 +14,21 @@ const app = express()
 </section>
 
 <section markdown="1">
-  {% include api/en/5x/express.static.md %}
+  {% include api/en/5x/express.raw.md %}
 </section>
 
 <section markdown="1">
   {% include api/en/5x/express.router.md %}
 </section>
 
+<section markdown="1">
+  {% include api/en/5x/express.static.md %}
+</section>
+
+<section markdown="1">
+  {% include api/en/5x/express.text.md %}
+</section>
+
 <section markdown="1">
   {% include api/en/5x/express.urlencoded.md %}
 </section>

_includes/api/en/5x/express.raw.md

@@ -10,7 +10,7 @@ any Unicode encoding of the body and supports automatic inflation of `gzip` and
 `deflate` encodings.
 
 A new `body` `Buffer` containing the parsed data is populated on the `request`
-object after the middleware (i.e. `req.body`), or an empty object (`{}`) if
+object after the middleware (i.e. `req.body`), or `undefined` if
 there was no body to parse, the `Content-Type` was not matched, or an error
 occurred.
 

_includes/api/en/5x/express.text.md

@@ -10,7 +10,7 @@ any Unicode encoding of the body and supports automatic inflation of `gzip` and
 `deflate` encodings.
 
 A new `body` string containing the parsed data is populated on the `request`
-object after the middleware (i.e. `req.body`), or an empty object (`{}`) if
+object after the middleware (i.e. `req.body`), or `undefined` if
 there was no body to parse, the `Content-Type` was not matched, or an error
 occurred.
 

_includes/api/en/5x/express.urlencoded.md

@@ -9,7 +9,7 @@ parser accepts only UTF-8 encoding of the body and supports automatic
 inflation of `gzip` and `deflate` encodings.
 
 A new `body` object containing the parsed data is populated on the `request`
-object after the middleware (i.e. `req.body`), or an empty object (`{}`) if
+object after the middleware (i.e. `req.body`), or `undefined` if
 there was no body to parse, the `Content-Type` was not matched, or an error
 occurred. This object will contain key-value pairs, where the value can be
 a string or array (when `extended` is `false`), or any type (when `extended`

_includes/api/en/5x/menu.md

@@ -4,8 +4,10 @@
     <ul id="express-menu">
         <li><em>Methods</em></li>
         <li id="express-json-middleware"><a href="#express.json">express.json()</a></li>
-        <li id="express-static-middleware"><a href="#express.static">express.static()</a></li>
+        <li id="express-raw-middleware"><a href="#express.raw">express.raw()</a></li>
         <li id="express-router"><a href="#express.router">express.Router()</a></li>
+        <li id="express-static-middleware"><a href="#express.static">express.static()</a></li>
+        <li id="express-text-middleware"><a href="#express.text">express.text()</a></li>
         <li id="express-urlencoded-middleware"><a href="#express.urlencoded">express.urlencoded()</a></li>
     </ul>
     </li>