Adds Docker support, updates README.md and other few optimizations

Dockerfile

@@ -0,0 +1,17 @@
+FROM alpine:3.20.2
+
+RUN apk update && apk upgrade --no-cache
+
+RUN apk add --no-cache python3=3.12.3-r1 && \
+  apk add pipx=1.6.0-r0
+
+# Set environment variables
+ENV USER_NAME=builder
+ENV USER_UID=1001
+ENV USER_GID=1001
+
+RUN addgroup -g $USER_GID $USER_NAME && \
+    adduser -D -u $USER_UID -G $USER_NAME $USER_NAME
+
+WORKDIR /home/$USER_NAME/myapp
+ENTRYPOINT ["./runDev.sh"]