docs: Add links to Node.js API docs in various module replacements pages. (#618)

* docs: Add links to Node.js API docs in various module replacements pages.

And some minor, general improvements otherwise.

Also note in the md5 page that is is insecure and has been for a long time.

* Update docs/modules/through.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update docs/modules/md5.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update docs/modules/split.md

* Revert one change to doc page

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: connorshea

docs/modules/buf-compare.md

@@ -6,7 +6,7 @@ description: Native Node.js alternatives to the buf-compare package for buffer c
 
 ## `Buffer.compare` (native)
 
-`Buffer.compare` is a native method which achieves the same result as `buf-compare`, available since Node v0.11.13.
+[`Buffer.compare`](https://nodejs.org/api/buffer.html#static-method-buffercomparebuf1-buf2) is a native method which achieves the same result as `buf-compare`, available since Node v0.11.13.
 
 Example:
 

docs/modules/buffer-equal.md

@@ -6,7 +6,7 @@ description: Native Node.js alternatives to the buffer-equal package for buffer
 
 ## `Buffer#equals` (native)
 
-Buffers have an `equals` method since Node 0.12.
+Buffers have an [`equals`](https://nodejs.org/api/buffer.html#bufequalsotherbuffer) method since Node v0.12.
 
 Example:
 

docs/modules/buffer-equals.md

@@ -6,7 +6,7 @@ description: Native Node.js alternatives to the buffer-equals package for buffer
 
 ## `Buffer#equals` (native)
 
-Buffers have an `equals` method since Node 0.12.
+Buffers have an [`equals`](https://nodejs.org/api/buffer.html#bufequalsotherbuffer) method since Node v0.12.
 
 Example:
 

docs/modules/builtin-modules.md

@@ -6,7 +6,7 @@ description: Native Node.js alternatives to the builtin-modules package for list
 
 ## `builtinModules` (native, since Node.js 6.x)
 
-For getting the list of built-in modules, you can use [builtinModules](https://nodejs.org/api/module.html#modulebuiltinmodules):
+For getting the list of built-in modules, you can use [`builtinModules`](https://nodejs.org/api/module.html#modulebuiltinmodules):
 
 ```ts
 import builtinModulesList from 'builtin-modules' // [!code --]

docs/modules/fs-extra.md

@@ -6,7 +6,7 @@ description: Modern alternatives to the fs-extra package for working with the fi
 
 ## `fs` and `fs/promises` (native, Node.js)
 
-Modern Node.js includes built-in `fs` and `fs/promises` APIs that cover what [`fs-extra`](https://github.com/jprichardson/node-fs-extra) historically provided.
+Modern Node.js includes built-in [`fs`](https://nodejs.org/api/fs.html) and [`fs/promises`](https://nodejs.org/api/fs.html#promises-api) APIs that cover what [`fs-extra`](https://github.com/jprichardson/node-fs-extra) historically provided.
 
 ```js
 import fsExtra from 'fs-extra' // [!code --]

docs/modules/get-stream.md

@@ -20,7 +20,7 @@ async function streamToString(stream) {
 
 ## Converting stream to Array
 
-You can convert a stream to an array using `Array.fromAsync`:
+You can convert a stream to an array using [`Array.fromAsync`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/fromAsync) in Node 22+:
 
 ```ts
 await Array.fromAsync(stream)
@@ -38,7 +38,7 @@ async function streamToArray(stream) {
 
 ## Converting stream to Buffer
 
-You can convert a stream to a `Buffer` using `Array.fromAsync` with a mapper:
+You can convert a stream to a `Buffer` using [`Array.fromAsync`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/fromAsync) with a mapper:
 
 ```ts
 async function streamToBuffer(stream) {

docs/modules/inherits.md

@@ -6,7 +6,7 @@ description: Modern alternatives to the inherits package
 
 ## ES6 classes `extends` syntax
 
-ES6 classes `extends` syntax is a native way to implement prototype inheritance.
+ES6 classes [`extends`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes/extends) syntax is a native way to implement prototype inheritance.
 
 Example:
 

docs/modules/md5.md

@@ -6,7 +6,9 @@ description: Native Node.js alternatives to the md5 package for MD5 hash generat
 
 ## `crypto` (native)
 
-If you're using the [`md5`](https://github.com/pvorb/node-md5) package, consider using a stronger algorithm where possible. If you must keep MD5 for compatibility, Node.js provides a native alternative via the `crypto` module.
+If you're using the [`md5`](https://github.com/pvorb/node-md5) package, _strongly_ consider moving to a stronger algorithm if your usage is security-sensitive (for example, passwords). MD5 is [not secure](https://en.wikipedia.org/wiki/MD5#Security) and hasn't been secure for many years.
+
+If you must keep MD5 for compatibility, Node.js provides a native alternative via the [`crypto` module](https://nodejs.org/api/crypto.html#crypto).
 
 ```ts
 import crypto from 'node:crypto' // [!code ++]

docs/modules/object-hash.md

@@ -20,7 +20,7 @@ const h = hash(obj) // [!code ++]
 
 ## Web Crypto
 
-Use the standard `SubtleCrypto.digest` available in modern runtimes. Pair it with a stable serializer (e.g., [`safe-stable-stringify`](https://github.com/BridgeAR/safe-stable-stringify)) to ensure deterministic key ordering.
+Use the standard [`SubtleCrypto.digest`](https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto/digest) available in modern runtimes. Pair it with a stable serializer (e.g., [`safe-stable-stringify`](https://github.com/BridgeAR/safe-stable-stringify)) to ensure deterministic key ordering.
 
 Example:
 

docs/modules/split.md

@@ -6,12 +6,16 @@ description: Native Node.js alternatives to the split package for splitting stre
 
 ## `readline.createInterface` (native, since Node.js v6.6.0)
 
+The [`readline.createInterface`](https://nodejs.org/api/readline.html#readlinecreateinterfaceoptions)
+method can be used to read a stream line by line, effectively replacing the functionality of the `split` package.
+
 Example:
 
 <!-- prettier-ignore -->
 ```js
 import split from 'split' // [!code --]
 import { createInterface } from 'node:readline' // [!code ++]
+import * as fs from 'node:fs'
 
 const input = fs.createReadStream('file.txt')