feat: support docker image building

Caddyfile

@@ -0,0 +1,9 @@
+{
+    admin off
+}
+
+:80 {
+    root * /www
+    file_server
+    try_files {path} /
+}

Dockerfile

@@ -0,0 +1,14 @@
+FROM node:18 as builder
+COPY . /app
+
+RUN npm config set registry https://registry.npmmirror.com \
+&& npm config set disturl https://npmmirror.com/dist --location=global \
+&& npm i --location=global pnpm
+
+WORKDIR /app
+RUN pnpm install \
+&& pnpm build
+
+FROM caddy:alpine
+COPY Caddyfile /etc/caddy
+COPY dist /www