Added a requirements-dev.txt file & Dependencies

Added the requirments-dev.txt file for listed dependencies for continuous integration with gitlab pipline.

requirements-dev.txt

+  - python=3.9
+  - matplotlib
+  - pandas
+  - pip
+  - tqdm
+  - flake8-docstrings
+  - mypy
+  - flake8
+  - pytest
+  - pylint
+  - coverage