add pyproject.toml. address #702

FIX

Fix the pip warning explained here:
pypa/pip#11457

By following this procedure:
pypa/pip#11457 (comment)

Author: arjpur01

.ci/Dockerfile

@@ -0,0 +1,85 @@
+# SPDX-License-Identifier: Apache-2.0
+#
+# Copyright (C) 2024-2025, ARM Limited and contributors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# This Dockerfile creates an image to run devlib CI tests.
+#
+# Running ``docker build -t devlib .`` command in ``.ci`` directory
+# creates the docker image.
+#
+# The image can be runned via ``docker run -it --privileged devlib`` command.
+#
+
+FROM ubuntu:22.04
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+    aapt \
+    bc \
+    bison \
+    build-essential \
+    cmake \
+    cpio \
+    file \
+    flex \
+    git \
+    libelf-dev \
+    libncurses5-dev \
+    libssl-dev \
+    locales \
+    python3-pip \
+    python3.10-venv \
+    qemu-system-arm \
+    qemu-system-x86 \
+    rsync \
+    sudo \
+    unzip \
+    wget \
+    vim \
+    xz-utils \
+    bridge-utils \
+    cpu-checker \
+    libvirt-clients \
+    libvirt-daemon \
+    qemu \
+    qemu-kvm && \
+    apt-get -y autoremove && \
+    apt-get -y autoclean && \
+    apt-get clean && \
+    rm -rf /var/cache/apt
+
+COPY tools/android /devlib/tools/android
+COPY tools/buildroot /devlib/tools/buildroot
+
+# Set ANDROID_CMDLINE_VERSION environment variable if you want to use a
+# specific version of Android command line tools rather than default
+# which is ``11076708`` as of writing this comment.
+RUN cd /devlib/tools/android && ./setup_host.sh
+
+# Set BUILDROOT_VERSION environment variable if you want to use a specific
+# branch of buildroot rather than default which is ``2023.11.1`` as of
+# writing this comment.
+RUN cd /devlib/tools/buildroot && \
+    ./generate-kernel-initrd.sh && \
+    ./generate-kernel-initrd.sh -a x86_64 && \
+    mkdir -p /tmp/buildroot/buildroot-v2023.11.1-aarch64/output && \
+    mkdir -p /tmp/buildroot/buildroot-v2023.11.1-x86_64/output && \
+    mv /devlib/tools/buildroot/buildroot-v2023.11.1-aarch64/output/images /tmp/buildroot/buildroot-v2023.11.1-aarch64/output && \
+    mv /devlib/tools/buildroot/buildroot-v2023.11.1-x86_64/output/images /tmp/buildroot/buildroot-v2023.11.1-x86_64/output && \
+    rm -rf /devlib/tools/buildroot && \
+    mv /tmp/buildroot /devlib/tools/buildroot
+