added options flow

custom_components/bluetti_bt/translations/de.json

@@ -0,0 +1,11 @@
+{
+  "options": {
+    "step": {
+      "init": {
+        "data": {
+          "use_controls": "Steuerung aktivieren (auf eigenes Risiko)"
+        }
+      }
+    }
+  }
+}

custom_components/bluetti_bt/translations/en.json

@@ -0,0 +1,11 @@
+{
+  "options": {
+    "step": {
+      "init": {
+        "data": {
+          "use_controls": "Use controls (use at own risk)"
+        }
+      }
+    }
+  }
+}