add files for hosting with docker

Dockerfile.updater

@@ -0,0 +1,21 @@
+FROM alpine:latest
+
+RUN apk add --no-cache git docker-cli curl
+
+WORKDIR /app
+
+# Clone the repo
+RUN git clone https://git.nauen-it.de/tobias/Pokemon-Type-Quiz.git .
+
+# Install node and npm
+RUN apk add --no-cache nodejs npm
+
+# Install dependencies and build
+RUN npm install && npm run build
+
+# Script to rebuild on changes
+COPY rebuild_docker.sh /rebuild_docker.sh
+RUN chmod +x /rebuild_docker.sh
+
+# Initial build
+CMD ["/rebuild_docker.sh"]