Support pip manager (#20)

* Added pip manager support

Added requirements file. Packages hashes are omitted to avoid issue with the newest pip version.
Updated readme file with instruction on how to operate using pip.

Author: shorodilov

README.rst

@@ -15,6 +15,11 @@ interview experience.
 Getting started
 ===============
 
+This section describes the general usage of the project.
+
+Installing dependencies
+-----------------------
+
 It's recommended to use `poetry`_ with this project. Otherwise you are to do
 some additional work while installing dependencies and configuring internal
 packages.
@@ -29,14 +34,31 @@ Once you've cloned the repository to your local machine install dependencies:
 
 This will also install internal packages for future tests.
 
+PIP support
+^^^^^^^^^^^
+
+For whose, who prefer to use `pip`_ as a package manager, it's supported.
+However it's not a primary package manager for this project, so problems may
+still appear - please, report to bug tracker in case of any.
+
+You will need to install project dependencies and source code.
+To do this use commands:
+
+.. code-block::
+
+    pip install -r requirements.txt
+    pip install -e .
+
+.. _pip: https://pip.pypa.io/
+
 Code health check
 -----------------
 
 There are few dependencies installed to check the code health:
 
-* pytest-cov
-* mypy
-* pylint
+- pytest-cov
+- mypy
+- pylint
 
 They are acting as stand-alone commands, available from your terminal with
 poetry:
@@ -53,11 +75,11 @@ Running tox
 `tox`_ aims to automate and standardize testing in Python. It is a generic
 virtualenv management and test command line tool you can use for:
 
-* checking that your package installs correctly with different Python versions
+- checking that your package installs correctly with different Python versions
   and interpreters
-* running your tests in each of the environments, configuring your test tool of
+- running your tests in each of the environments, configuring your test tool of
   choice
-* acting as a frontend to Continuous Integration servers, greatly reducing
+- acting as a frontend to Continuous Integration servers, greatly reducing
   boilerplate and merging CI and shell-based testing.
 
 .. _tox: https://tox.wiki

requirements.txt

@@ -0,0 +1,29 @@
+astroid==2.13.2; python_full_version >= "3.7.2"
+attrs==22.2.0; python_version >= "3.7"
+cachetools==5.2.1; python_version >= "3.7" and python_version < "4.0"
+chardet==5.1.0; python_version >= "3.7"
+colorama==0.4.6; sys_platform == "win32" and python_full_version >= "3.7.2" and (python_version >= "3.7" and python_full_version < "3.0.0" or python_full_version >= "3.7.0" and python_version >= "3.7") and (python_version >= "3.7" and python_full_version < "3.0.0" and sys_platform == "win32" or sys_platform == "win32" and python_version >= "3.7" and python_full_version >= "3.7.0")
+coverage==7.0.5; python_version >= "3.7"
+dill==0.3.6
+distlib==0.3.6; python_version >= "3.7"
+exceptiongroup==1.1.0; python_version < "3.11" and python_version >= "3.7"
+filelock==3.9.0; python_version >= "3.7"
+iniconfig==2.0.0; python_version >= "3.7"
+isort==5.11.4; python_full_version >= "3.7.2"
+lazy-object-proxy==1.9.0; python_version >= "3.7" and python_full_version >= "3.7.2"
+mccabe==0.7.0; python_version >= "3.6" and python_full_version >= "3.7.2"
+mypy-extensions==0.4.3; python_version >= "3.7"
+mypy==0.991; python_version >= "3.7"
+packaging==23.0; python_version >= "3.7"
+platformdirs==2.6.2; python_version >= "3.7" and python_full_version >= "3.7.2"
+pluggy==1.0.0; python_version >= "3.7"
+pylint==2.15.10; python_full_version >= "3.7.2"
+pyproject-api==1.4.0; python_version >= "3.7"
+pytest-cov==4.0.0; python_version >= "3.6"
+pytest==7.2.1; python_version >= "3.7"
+tomli==2.0.1; python_version < "3.11" and python_version >= "3.7" and python_full_version >= "3.7.2" and python_full_version <= "3.11.0a6"
+tomlkit==0.11.6; python_version >= "3.6" and python_full_version >= "3.7.2"
+tox==4.2.8; python_version >= "3.7"
+typing-extensions==4.4.0; python_version < "3.10" and python_full_version >= "3.7.2" and python_version >= "3.7"
+virtualenv==20.17.1; python_version >= "3.7"
+wrapt==1.14.1