feat(build): add Docker support (#322)

* feat(build): add Docker support

* fix: pnpm patches

* chore: update readme

* chore: refactor Docker section into separate markdown file

* chore: remove polling and host 0.0.0.0

* feat: add .dockerignore

* feat: update .dockerignore

Dockerfile

@@ -0,0 +1,47 @@
+# Stage 1: Base image with Node.js and pnpm
+FROM node:20.9.0-alpine AS base
+
+# Install pnpm
+RUN npm install -g pnpm
+
+# Set working directory
+WORKDIR /app
+
+# Copy package.json, pnpm-lock.yaml, and .nvmrc
+COPY package.json pnpm-lock.yaml .nvmrc ./
+
+# Copy patches directory if it exists
+COPY patches ./patches
+
+# Install dependencies, including applying patches
+RUN pnpm install --frozen-lockfile
+
+# Copy the rest of the source code
+COPY . .
+
+# Stage 2: Final stage
+FROM base AS final
+
+# Install zip utility and bash
+RUN apk add --no-cache zip bash
+
+# Set working directory
+WORKDIR /extension
+
+# Copy all files from base
+COPY --from=base /app ./
+
+# Copy the entrypoint script
+COPY docker-entrypoint.sh /usr/local/bin/
+
+# Make the entrypoint script executable
+RUN chmod +x /usr/local/bin/docker-entrypoint.sh
+
+# Expose port for HMR
+EXPOSE 5173
+
+# Set the entrypoint to our new script
+ENTRYPOINT ["docker-entrypoint.sh"]
+
+# Set the default command (which can be overridden)
+CMD ["build"]