adding lint checks.

.github/workflows/lint-workflow.yml

@@ -0,0 +1,35 @@
+name: linting
+
+on: workflow_call
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ['3.6']
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install blue
+        pip install pylint
+        pip install pylama
+        pip install mypy
+    - name: Check blue
+      run: |
+        blue . --check
+    - name: Analysing the code with pylama
+      run: |
+        pylama --skip='tests/*'
+    - name: Analysing the code with pylint
+      run: |
+        pylint caseless_dictionary/
+    - name: Analysing the code with mypy
+      run: |
+        mypy caseless_dictionary/