feat: update documentation to include Zstandard compression support

Author: bjohansebas

CHANGELOG.md

@@ -12,6 +12,10 @@ _Note: Gaps between patch versions are faulty, broken or test releases._
 
 ## UNRELEASED
 
+* **New Feature**
+  * Add support for Zstandard compression ([#693](https://github.com/webpack-contrib/webpack-bundle-analyzer/pull/693) by [@bjohansebas](https://github.com/bjohansebas))
+
+
 ## 5.1.1
 
 * **Bug Fix**

README.md

@@ -45,7 +45,7 @@ This module will help you:
 4. Optimize it!
 
 And the best thing is it supports minified bundles! It parses them to get real size of bundled modules.
-And it also shows their gzipped or Brotli sizes!
+And it also shows their gzipped, Brotli, or Zstandard sizes!
 
 <h2 align="center">Options (for plugin)</h2>
 
@@ -62,7 +62,7 @@ new BundleAnalyzerPlugin(options?: object)
 |**`reportFilename`**|`{String}`|Default: `report.html`. Path to bundle report file that will be generated in `static` mode. It can be either an absolute path or a path relative to a bundle output directory (which is output.path in webpack config).|
 |**`reportTitle`**|`{String\|function}`|Default: function that returns pretty printed current date and time. Content of the HTML `title` element; or a function of the form `() => string` that provides the content.|
 |**`defaultSizes`**|One of: `stat`, `parsed`, `gzip`, `brotli`|Default: `parsed`. Module sizes to show in report by default. [Size definitions](#size-definitions) section describes what these values mean.|
-|**`compressionAlgorithm`**|One of: `gzip`, `brotli`|Default: `gzip`. Compression type used to calculate the compressed module sizes.|
+|**`compressionAlgorithm`**|One of: `gzip`, `brotli`, `zstd`|Default: `gzip`. Compression type used to calculate the compressed module sizes.|
 |**`openAnalyzer`**|`{Boolean}`|Default: `true`. Automatically open report in default browser.|
 |**`generateStatsFile`**|`{Boolean}`|Default: `false`. If `true`, webpack stats JSON file will be generated in bundle output directory|
 |**`statsFilename`**|`{String}`|Default: `stats.json`. Name of webpack stats JSON file that will be generated if `generateStatsFile` is `true`. It can be either an absolute path or a path relative to a bundle output directory (which is output.path in webpack config).|
@@ -122,9 +122,9 @@ Directory containing all generated bundles.
   -r, --report <file>             Path to bundle report file that will be generated in `static` mode. (default: report.html)
   -t, --title <title>             String to use in title element of html report. (default: pretty printed current date)
   -s, --default-sizes <type>      Module sizes to show in treemap by default.
-                                  Possible values: stat, parsed, gzip, brotli (default: parsed)
+                                  Possible values: stat, parsed, gzip, brotli, zstd (default: parsed)
   --compression-algorithm <type>  Compression algorithm that will be used to calculate the compressed module sizes.
-                                  Possible values: gzip, brotli (default: gzip)
+                                  Possible values: gzip, brotli, zstd (default: gzip)
   -O, --no-open                   Don't open report in default browser automatically.
   -e, --exclude <regexp>          Assets that should be excluded from the report.
                                   Can be specified multiple times.
@@ -158,6 +158,10 @@ This is the size of running the parsed bundles/modules through gzip compression.
 
 This is the size of running the parsed bundles/modules through Brotli compression.
 
+### `zstd`
+
+This is the size of running the parsed bundles/modules through Zstandard compression. (Node.js 22.15.0+ is required for this feature)
+
 <h2 align="center">Selecting Which Chunks to Display</h2>
 
 When opened, the report displays all of the Webpack chunks for your project. It's possible to filter to a more specific list of chunks by using the sidebar or the chunk context menu.