Add `validate` method to `ModelCBOW` #41

	# source: https://github.com/sindre0830/Workflow-Templates
	name: Continuous Integration (CI)
	# when to run the workflow
	on:
	push:
	paths:
	- '.github/workflows/continuous-integration.yml'
	- 'source/**'
	pull_request:
	workflow_dispatch:
	# instructions the workflow will perform
	jobs:
	build:
	# environment to run on
	runs-on: ubuntu-latest
	# global settings for steps
	defaults:
	run:
	working-directory: ./source
	# steps to perform
	steps:
	- uses: actions/checkout@v2

	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: '3.11'
	cache: 'pip'

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip

	- name: Syntax checker
	run: \|
	pip install flake8
	flake8 . --max-line-length 150

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