feat(goreleaser): Ship FreeBSD binaries (#1048)

* feat(goreleaser): Ship FreeBSD binaries

* Add FreeBSD installation instructions

---------

Co-authored-by: cgoetz-inovex <carlo.goetz@inovex.de>

Author: gogolok

.goreleaser.yaml

@@ -53,6 +53,16 @@ builds:
         - cmd: sh -c 'go run main.go completion bash > ./dist/completions/stackit.bash'
         - cmd: sh -c 'go run main.go completion fish > ./dist/completions/stackit.fish'
 
+  - id: freebsd-builds
+    env:
+      - CGO_ENABLED=0
+    goos:
+      - freebsd
+    goarch:
+      - arm64
+      - amd64
+    binary: "stackit"
+
 archives:
   - id: windows-archives
     ids:
@@ -61,6 +71,7 @@ archives:
   - ids:
       - linux-builds
       - macos-builds
+      - freebsd-builds
     formats: [ 'tar.gz' ]
     files:
       - src: ./dist/completions/*

INSTALLATION.md

@@ -215,6 +215,24 @@ You can also get the STACKIT CLI by compiling it from source or downloading a pr
    go run . <GROUP> <SUB-GROUP> <COMMAND> <ARGUMENT> <FLAGS>
    ```
 
+### FreeBSD
+
+The STACKIT CLI can be installed through the [FreeBSD ports or packages](https://docs.freebsd.org/en/books/handbook/ports/).
+
+To install the port:
+
+```shell
+cd /usr/ports/sysutils/stackit/ && make install clean
+```
+
+To add the package, run one of these commands:
+
+```shell
+pkg install sysutils/stackit
+# OR
+pkg install stackit
+```
+
 ### Pre-compiled binary
 
 1. Download the binary corresponding to your operating system and CPU architecture from our [Releases](https://github.com/stackitcloud/stackit-cli/releases) page