feat: added docstring for /version endpoint

internal/api/handler/version.go

@@ -6,15 +6,24 @@ import (
 	"github.com/robindittmar/dttmr-api/internal/api/response"
 )
 
-type Version struct {
+type VersionResponse struct {
 	Version   string `json:"version"`
 	Commit    string `json:"commit"`
 	BuildTime string `json:"buildTime"`
 }
 
+// VersionHandler handles the version route
+//
+// @Summary Service version
+// @Description Reports the version of the API
+// @Tags Version
+// @Accept json
+// @Produce json
+// @Success 200 {object} VersionResponse
+// @Router /version [get]
 func VersionHandler(version string, commit string, buildTime string) func(http.ResponseWriter, *http.Request) {
 	return func(w http.ResponseWriter, r *http.Request) {
-		response.JSON(r.Context(), w, http.StatusOK, Version{
+		response.JSON(r.Context(), w, http.StatusOK, VersionResponse{
 			Version:   version,
 			Commit:    commit,
 			BuildTime: buildTime,