Fixed docs

Dockerfile

@@ -0,0 +1,16 @@
+# Build application
+FROM node:alpine as build
+
+RUN mkdir /app
+WORKDIR /app
+COPY . .
+RUN if [ ! -d "node_modules" ]; then npm i; fi && \
+    if [ ! -d "dist/css-utils.css" ]; then npm run build; fi
+
+# Use Nginx to serve
+FROM nginx:1.23-alpine
+
+COPY --from=build /app/dist /usr/share/nginx/html/dist
+COPY src /usr/share/nginx/html/src
+COPY index.html /usr/share/nginx/html
+COPY wave.webp /usr/share/nginx/html