Big set of changes, to bring project into more organised state

pyproject.toml

@@ -8,6 +8,7 @@ authors = ["Deepak <dmallubhotla+github@gmail.com>"]
 python = "^3.8,<3.10"
 numpy = "^1.21.1"
 scipy = "~1.5"
+more-itertools = "^8.8.0"
 
 [tool.poetry.dev-dependencies]
 pytest = ">=6"
@@ -21,3 +22,8 @@ build-backend = "poetry.masonry.api"
 
 [tool.pytest.ini_options]
 testpaths = ["tests"]
+addopts = "--junitxml pytest.xml --cov pathfinder --cov-report=xml:coverage.xml --cov-fail-under=90"
+junit_family = "xunit1"
+
+[tool.mypy]
+plugins = "numpy.typing.mypy_plugin"