docs: updates

Signed-off-by: Carlos A Becker <caarlos0@users.noreply.github.com>

www/docs/cmd/goreleaser_healthcheck.md

@@ -0,0 +1,30 @@
+# goreleaser healthcheck
+
+Checks if needed tools are installed
+
+## Synopsis
+
+Check if the needed tools are available in your $PATH, exits 1 if any of them are missing.
+
+```
+goreleaser healthcheck [flags]
+```
+
+## Options
+
+```
+  -f, --config string   Configuration file
+  -h, --help            help for healthcheck
+  -q, --quiet           Quiet mode: no output
+```
+
+## Options inherited from parent commands
+
+```
+      --debug   Enable debug mode
+```
+
+## See also
+
+* [goreleaser](/cmd/goreleaser/)	 - Deliver Go binaries as fast and easily as possible
+