docs: Added CONTRIBUTING.rst

CONTRIBUTING.rst

+Contributing
+============
+
+We are happy to welcome contributions! This guide will help you get started with contributing to the hypertool project.
+
+Set up
+------
+
+Download GIT repository
+^^^^^^^^^^^^^^^^^^^^^^^
+Clone the hypertool repository from eclipse research labs.
+
+.. code-block:: bash
+
+    $ git clone https://gitlab.eclipse.org/eclipse-research-labs/hyper-ai-project/hypertool.git
+    $ cd hypertool
+
+Creating a virtual environment
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Create and activate a Python virtual environment to isolate dependencies.
+
+.. code-block:: bash
+
+    $ python3 -m venv venv
+    $ source venv/bin/activate
+
+Note:
+    The target Python version is 3.11.
+
+Install the dependencies
+^^^^^^^^^^^^^^^^^^^^^^^^
+Install required Python packages listed in the requirements file.
+
+.. code-block:: bash
+
+    $ pip install --upgrade pip
+    $ pip install -r requirements.txt
+
+Install hypertool in editable mode
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Install the project in editable mode so changes reflect immediately.
+
+.. code-block:: bash
+
+    $ pip install -e .
+
+Check the installation
+^^^^^^^^^^^^^^^^^^^^^^
+Verify that the hypertool CLI is installed.
+
+.. code-block:: bash
+
+    $ hypertool --version
+
+Set up the pre-commit hooks
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Install pre-commit hooks to automatically linting and formatting.
+
+.. code-block:: bash
+
+    $ pre-commit install
+
+
+How to contribute
+-----------------
+
+Create a new branch
+^^^^^^^^^^^^^^^^^^^^
+Create a feature branch to work on your changes.
+
+.. code-block:: bash
+
+    $ git checkout -b my-feature-branch
+
+Make your changes and commit
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Stage and commit your changes with a meaningful commit message.
+
+.. code-block:: bash
+
+    $ git add .
+    $ git commit -m "Add my-feature-branch"
+
+Notes:
+  1. If this commit is mentioned by an issue, use the issue ID in the commit message.
+     For example: `refactor #1: Updated annotation logic to print all at once`
+
+  2. The pre-commit hooks may reformat your code to follow style guidelines.
+
+Push your changes
+^^^^^^^^^^^^^^^^^
+Push your branch to the remote repository to open a merge request.
+
+.. code-block:: bash
+
+    $ git push origin my-feature-branch

README.rst

 =========
 Hypertool
 =========
+
+
+Contribution
+============
+
+Please follow the `Contribution Guidelines <CONTRIBUTING.rst>`_ to get started.