further components and bootstrap initial

rust/src_webpack/src/ota.ts

@@ -0,0 +1,28 @@
+import { Controller } from "./main";
+
+export class OTAView {
+    file1Upload: HTMLInputElement;
+    firmware_buildtime: HTMLDivElement;
+    firmware_githash: HTMLDivElement;
+
+    constructor(controller: Controller) {
+        this.firmware_buildtime = document.getElementById("firmware_buildtime") as HTMLDivElement;
+        this.firmware_githash = document.getElementById("firmware_githash") as HTMLDivElement;
+
+        const file = document.getElementById("firmware_file") as HTMLInputElement;
+        this.file1Upload = file
+        this.file1Upload.onchange = () => {
+            var selectedFile = file.files?.[0];
+            if (selectedFile == null) {
+                //TODO error dialog here
+                return
+            }
+            controller.uploadNewFirmware(selectedFile);
+        };
+    }
+
+    setVersion(versionInfo: VersionInfo) {
+        this.firmware_buildtime.innerText = versionInfo.build_time;
+        this.firmware_githash.innerText = versionInfo.git_hash;
+    }
+}