doc: add bundle sizes for encoding

Author: ChALkeR

README.md

@@ -106,8 +106,19 @@ import { TextDecoderStream, TextEncoderStream } from '@exodus/bytes/encoding-lit
 ```
 
 This reduces the bundle size 9x:\
-from 90 KiB gzipped for `@exodus/bytes/encoding.js` to 10 KiB gzipped for `@exodus/bytes/encoding-lite.js`.\
-(For comparison, `text-encoding` module is 190 KiB gzipped, and `iconv-lite` is 194 KiB gzipped):
+from 94 KiB gzipped for `@exodus/bytes/encoding.js` to 10 KiB gzipped for `@exodus/bytes/encoding-lite.js`.\
+(For comparison, `text-encoding` and `iconv-lite` are each over 195 KiB gzipped):
+
+| import | size |
+| - | - |
+| `@exodus/bytes/encoding-browser.js` | ![](https://img.shields.io/bundlejs/size/@exodus/bytes/encoding-browser.js?style=flat-square) |
+| `@exodus/bytes/encoding-lite.js` | ![](https://img.shields.io/bundlejs/size/@exodus/bytes/encoding-lite.js?style=flat-square) |
+| `@exodus/bytes/encoding.js` | ![](https://img.shields.io/bundlejs/size/@exodus/bytes/encoding.js?style=flat-square) |
+| `text-encoding` | ![](https://img.shields.io/bundlejs/size/text-encoding?style=flat-square) |
+| `iconv-lite` | ![](https://img.shields.io/bundlejs/size/iconv-lite?style=flat-square) |
+| `whatwg-encoding` | ![](https://img.shields.io/bundlejs/size/whatwg-encoding?style=flat-square) |
+
+_Numbers differ a bit because compression differs._
 
 It still supports `utf-8`, `utf-16le`, `utf-16be` and all single-byte encodings specified by the spec,
 the only difference is support for legacy multi-byte encodings.
@@ -668,6 +679,8 @@ Create a view of a TypedArray in the specified format (`'uint8'` or `'buffer'`)
 
 ### @exodus/bytes/encoding.js
 
+![](https://img.shields.io/bundlejs/size/@exodus/bytes/encoding.js?style=flat-square)
+
 Implements the [Encoding standard](https://encoding.spec.whatwg.org/):
 [TextDecoder](https://encoding.spec.whatwg.org/#interface-textdecoder),
 [TextEncoder](https://encoding.spec.whatwg.org/#interface-textencoder),
@@ -779,6 +792,8 @@ new TextDecoder(getBOMEncoding(input) ?? fallbackEncoding).decode(input)
 
 ### @exodus/bytes/encoding-lite.js
 
+![](https://img.shields.io/bundlejs/size/@exodus/bytes/encoding-lite.js?style=flat-square)
+
 The exact same exports as `@exodus/bytes/encoding.js` are also exported as
 `@exodus/bytes/encoding-lite.js`, with the difference that the lite version does not load
 multi-byte `TextDecoder` encodings by default to reduce bundle size 10x.
@@ -838,6 +853,8 @@ true
 
 ### @exodus/bytes/encoding-browser.js
 
+![](https://img.shields.io/bundlejs/size/@exodus/bytes/encoding-browser.js?style=flat-square)
+
 Same as `@exodus/bytes/encoding.js`, but in browsers instead of polyfilling just uses whatever the
 browser provides, drastically reducing the bundle size (to less than 2 KiB gzipped).