Update pre.sh

pre.sh

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+apt-get update
+apt-get install curl -y
+# Install Node.js and npm (version 18)
+apt-get install nodejs -y
+apt-get install npm -y
+apt-get install unzip -y
+# Update npm to the latest version
+# RUN npm install -g npm@latest
+
+# Install gritty globally
+npm install -g gritty@8.1.2
+echo 'export PS1="root@root:\\w# "' >> ~/.bashrc
+apt install openssh-server -y
+service ssh start