first with full handle over rpm

Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>

internal/api/respond.go

@@ -0,0 +1,16 @@
+package api
+
+import (
+	"encoding/json"
+	"net/http"
+)
+
+func JSON(w http.ResponseWriter, status int, v any) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(status)
+	json.NewEncoder(w).Encode(v)
+}
+
+func Error(w http.ResponseWriter, status int, msg string) {
+	JSON(w, status, ErrorResponse{Error: msg})
+}