Added Dockerfile and run-docker.sh

Dockerfile

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+FROM python:3
+
+RUN apt update -y 
+
+LABEL Name=pythonplantsvszombies Version=0.0.1
+
+RUN pip install pygame
+
+WORKDIR /app/
+
+RUN echo "Working Directory: /app/  "
+
+
+RUN echo "Cloning the Marblexu's Repository"
+
+RUN git clone https://github.com/marblexu/PythonPlantsVsZombies /app/
+
+RUN echo "Almost done"
+
+CMD python main.py >> /dev/null
+
+RUN echo "Enjoy Playing!!!"

run-docker.sh

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+#bin/bash
+
+RED='\033[0;31m'
+
+GREEN='\033[0;32m'
+
+NC='\033[0m' 
+
+echo -e "${GREEN}Plants VS Zombies${NC}"
+
+echo -e "${RED}Creating a container instance for the game...${NC}"
+
+xhost + 
+
+docker build -t sanmargparanjpe/plantsvszombie .
+
+echo "${RED}Starting the instance...${NC}"
+
+docker run -it --env="DISPLAY" --net=host  sanmargparanjpe/plantsvszombie  
+
+echo "${RED}Quiting the Game${NC}"