adding missing poetry config files

LICENSE

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+MIT License
+
+Copyright (c) 2023 Filip Michalsky
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Makefile

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+# Define shell to use
+#SHELL := /bin/bash
+
+# Define Python interpreter
+#PYTHON_MAC := python3
+#PYTHON_WINDOWS := python
+
+# Define virtual environment directory
+VENV := env
+
+# Default target executed when no arguments are given to make.
+default: test
+
+test:	## run tests with pytest.
+	@echo "Running tests..."
+	@pytest --cov=salesgpt --cov-report=term-missing --cov-report=html
+	@echo "Tests executed."
+
+# Set up the development environment
+setup:
+	pip install -U pip setuptools
+	pip install poetry
+	@echo "Poetry installed."
+	@echo "Installing project dependencies using Poetry."
+	poetry install
+	@echo "Dependencies installed."
+
+# Clean up the environment
+clean:
+	@echo "Cleaning up..."
+	rm -rf $(VENV)
+	rm -rf SalesGPT
+	@echo "Environment cleaned up."
+
+.PHONY: default setup test clean