adds github action for pylint and pytype

.github/workflows/lint-python.yml

+name: lint-python
+
+on:
+  pull_request:
+  push:
+    branches: [main]
+
+jobs:
+  lint-python:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-python@v4
+      with:
+        python-version: '3.10'
+        architecture: 'x64'
+    - run: |
+        pip install pylint
+        make lint-python

.github/workflows/typecheck-python.yml

+name: typecheck-python
+
+on:
+  pull_request:
+  push:
+    branches: [main]
+
+jobs:
+  typecheck-python:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-python@v4
+      with:
+        python-version: '3.10'
+        architecture: 'x64'
+    - run: |
+        pip install pytype
+        make typecheck-python