Offline Update (.jar replace) (#340)

Allows users to upload a new JAR to a Pi. Also bumps the pi image to increase the heap size.

photon-server/src/main/java/org/photonvision/server/Server.java

@@ -71,6 +71,7 @@ public class Server {
                 });
         /*API Events*/
         app.post("/api/settings/import", RequestHandler::onSettingUpload);
+        app.post("/api/settings/offlineUpdate", RequestHandler::onOfflineUpdate);
         app.get("/api/settings/photonvision_config.zip", RequestHandler::onSettingsDownload);
         app.post("/api/settings/camera", RequestHandler::onCameraSettingsSave);
         app.post("/api/settings/general", RequestHandler::onGeneralSettings);