Add Dockerfile for Ubuntu 24.04 with essential tools and Node.js setup

Dockerfile

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+FROM ubuntu:24.04
+LABEL maintainer="thommyho"
+LABEL description="An Ubuntu 24.04 image with essential tools for git development and CI/CD pipelines."
+RUN apt-get update && apt-get install -y \
+    git \
+    curl \
+    wget \
+    build-essential \
+    ca-certificates \
+    && rm -rf /var/lib/apt/lists/*
+# nvm environment variables
+RUN mkdir -p /usr/local/nvm
+ENV NVM_DIR=/usr/local/nvm
+ENV NODE_VERSION=24.11.1
+RUN curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.3/install.sh | bash
+RUN . $NVM_DIR/nvm.sh && \
+    nvm install $NODE_VERSION && \
+    nvm use $NODE_VERSION && \
+    nvm alias default $NODE_VERSION
+# add node and npm to path so the commands are available
+ENV NODE_PATH $NVM_DIR/v$NODE_VERSION/lib/node_modules
+ENV PATH $NVM_DIR/versions/node/v$NODE_VERSION/bin:$PATH
+# RUN node -v && npm -v