feat([2fd88f42]): initial setup of heatmap tool

heatmap-tool/frontend/Dockerfile

@@ -0,0 +1,20 @@
+# Use an official Node.js runtime as a parent image
+FROM node:18-alpine
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Copy package.json and package-lock.json to the container
+COPY package.json package-lock.json ./
+
+# Install dependencies
+RUN npm install
+
+# Copy the rest of the application's code
+COPY . .
+
+# Expose the port the app runs on
+EXPOSE 5173
+
+# Command to run the development server
+CMD ["npm", "run", "dev"]