make v2 the migration version to codeberg (#2)

version.go

@@ -0,0 +1,29 @@
+package swayipc
+
+import (
+	"encoding/json"
+	"fmt"
+)
+
+// A version struct holding the sway wm version
+type Version struct {
+	HumanReadable string `json:"human_readable"`
+	Major         int    `json:"major"`
+	Minor         int    `json:"minor"`
+	Patch         int    `json:"patch"`
+}
+
+// Get the sway software version
+func (ipc *SwayIPC) GetVersion() (*Version, error) {
+	payload, err := ipc.get(GET_VERSION)
+	if err != nil {
+		return nil, err
+	}
+
+	version := &Version{}
+	if err := json.Unmarshal(payload.Payload, &version); err != nil {
+		return nil, fmt.Errorf("failed to unmarshal json: %w", err)
+	}
+
+	return version, nil
+}