feat(server): add documentation for security group attach and detach commands

Author: s-inter

docs/stackit_server.md

@@ -46,6 +46,7 @@ stackit server [flags]
 * [stackit server reboot](./stackit_server_reboot.md)	 - Reboots a server
 * [stackit server rescue](./stackit_server_rescue.md)	 - Rescues an existing server
 * [stackit server resize](./stackit_server_resize.md)	 - Resizes the server to the given machine type
+* [stackit server security-group](./stackit_server_security-group.md)	 - Allows attaching/detaching security groups to servers
 * [stackit server service-account](./stackit_server_service-account.md)	 - Allows attaching/detaching service accounts to servers
 * [stackit server start](./stackit_server_start.md)	 - Starts an existing server or allocates the server if deallocated
 * [stackit server stop](./stackit_server_stop.md)	 - Stops an existing server

docs/stackit_server_security-group.md

@@ -0,0 +1,35 @@
+## stackit server security-group
+
+Allows attaching/detaching security groups to servers
+
+### Synopsis
+
+Allows attaching/detaching security groups to servers.
+
+```
+stackit server security-group [flags]
+```
+
+### Options
+
+```
+  -h, --help   Help for "stackit server security-group"
+```
+
+### Options inherited from parent commands
+
+```
+  -y, --assume-yes             If set, skips all confirmation prompts
+      --async                  If set, runs the command asynchronously
+  -o, --output-format string   Output format, one of ["json" "pretty" "none" "yaml"]
+  -p, --project-id string      Project ID
+      --region string          Target region for region-specific requests
+      --verbosity string       Verbosity of the CLI, one of ["debug" "info" "warning" "error"] (default "info")
+```
+
+### SEE ALSO
+
+* [stackit server](./stackit_server.md)	 - Provides functionality for servers
+* [stackit server security-group attach](./stackit_server_security-group_attach.md)	 - Attaches a security group to a server
+* [stackit server security-group detach](./stackit_server_security-group_detach.md)	 - Detaches a security group from a server
+

docs/stackit_server_security-group_attach.md

@@ -0,0 +1,42 @@
+## stackit server security-group attach
+
+Attaches a security group to a server
+
+### Synopsis
+
+Attaches a security group to a server.
+
+```
+stackit server security-group attach [flags]
+```
+
+### Examples
+
+```
+  Attach a security group with ID "xxx" to a server with ID "yyy"
+  $ stackit server security-group attach --server-id yyy --security-group-id xxx
+```
+
+### Options
+
+```
+  -h, --help                       Help for "stackit server security-group attach"
+      --security-group-id string   Security Group ID
+      --server-id string           Server ID
+```
+
+### Options inherited from parent commands
+
+```
+  -y, --assume-yes             If set, skips all confirmation prompts
+      --async                  If set, runs the command asynchronously
+  -o, --output-format string   Output format, one of ["json" "pretty" "none" "yaml"]
+  -p, --project-id string      Project ID
+      --region string          Target region for region-specific requests
+      --verbosity string       Verbosity of the CLI, one of ["debug" "info" "warning" "error"] (default "info")
+```
+
+### SEE ALSO
+
+* [stackit server security-group](./stackit_server_security-group.md)	 - Allows attaching/detaching security groups to servers
+

docs/stackit_server_security-group_detach.md

@@ -0,0 +1,42 @@
+## stackit server security-group detach
+
+Detaches a security group from a server
+
+### Synopsis
+
+Detaches a security group from a server.
+
+```
+stackit server security-group detach [flags]
+```
+
+### Examples
+
+```
+  Detach a security group with ID "xxx" from a server with ID "yyy"
+  $ stackit server security-group detach --server-id yyy --security-group-id xxx
+```
+
+### Options
+
+```
+  -h, --help                       Help for "stackit server security-group detach"
+      --security-group-id string   Security Group ID
+      --server-id string           Server ID
+```
+
+### Options inherited from parent commands
+
+```
+  -y, --assume-yes             If set, skips all confirmation prompts
+      --async                  If set, runs the command asynchronously
+  -o, --output-format string   Output format, one of ["json" "pretty" "none" "yaml"]
+  -p, --project-id string      Project ID
+      --region string          Target region for region-specific requests
+      --verbosity string       Verbosity of the CLI, one of ["debug" "info" "warning" "error"] (default "info")
+```
+
+### SEE ALSO
+
+* [stackit server security-group](./stackit_server_security-group.md)	 - Allows attaching/detaching security groups to servers
+