docs: update pro features

Signed-off-by: Carlos A Becker <caarlos0@gmail.com>

www/docs/cmd/goreleaser.md

@@ -22,6 +22,7 @@ You can also customize your entire release process through a single .goreleaser.
 ## See also
 
 * [goreleaser build](/cmd/goreleaser_build/)	 - Builds the current project
+* [goreleaser changelog](/cmd/goreleaser_changelog/)	 - Preview your changelog
 * [goreleaser check](/cmd/goreleaser_check/)	 - Checks if configuration is valid
 * [goreleaser completion](/cmd/goreleaser_completion/)	 - Generate the autocompletion script for the specified shell
 * [goreleaser init](/cmd/goreleaser_init/)	 - Generates a .goreleaser.yaml file

www/docs/cmd/goreleaser_changelog.md

@@ -0,0 +1,41 @@
+# goreleaser changelog
+
+Preview your changelog
+
+## Synopsis
+
+The `goreleaser changelog` command can be used to preview your next release changelog.
+
+It'll get the changes from the latest tag to the current commit, and print them to standard output or to a file.
+
+You can also use this command to test the `changelog` configuration in your `.goreleaser.yml` file.
+
+This command skips all validations and does not publish anything.
+
+!!! success "GoReleaser Pro"
+    This subcommand is [GoReleaser Pro feature](https://goreleaser.com/pro/).
+
+
+```
+goreleaser changelog
+```
+
+## Options
+
+```
+  -f, --config string      Load configuration from file
+  -h, --help               help for changelog
+  -o, --output string      File to save the changelog to, if empty prints it to STDOUT
+      --timeout duration   Timeout to the entire build process (default 1m0s)
+```
+
+## Options inherited from parent commands
+
+```
+      --debug   Enable debug mode
+```
+
+## See also
+
+* [goreleaser](/cmd/goreleaser/)	 - Deliver Go binaries as fast and easily as possible
+

www/docs/pro.md

@@ -2,6 +2,7 @@
 
 GoReleaser Pro is a paid, closed-source GoReleaser distribution with some additional features:
 
+- [x] Preview and test your next release's changelog with the [`changelog` command](/cmd/goreleaser_changelog/);
 - [x] Continuously release [nightly builds](/customization/nightlies/);
 - [x] Import pre-built binaries with the [`prebuilt` builder](/customization/build/#import-pre-built-binaries);
 - [x] Rootless build [Docker images](/customization/docker/#podman) and [manifests](/customization/docker_manifest/#podman) with [Podman](https://podman.io);

www/mkdocs.yml

@@ -127,6 +127,7 @@ nav:
     - goreleaser: cmd/goreleaser.md
     - goreleaser init: cmd/goreleaser_init.md
     - goreleaser check: cmd/goreleaser_check.md
+    - goreleaser changelog: cmd/goreleaser_changelog.md
     - goreleaser build: cmd/goreleaser_build.md
     - goreleaser release: cmd/goreleaser_release.md
     - goreleaser completion: cmd/goreleaser_completion.md