Added linting yml + README update

.github/workflows/linting.yml

@@ -0,0 +1,26 @@
+name: Linting
+
+on:
+  push:
+    branches:
+      - '*'
+  pull_request:
+    branches:
+      - '*'
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v1
+      - name: Set up Python 3.7
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.7
+      
+      - name: Install lint dependencies
+        run: pip install wheel setuptools black==22.3.0 isort==5.10.1 flake8==4.0.1
+
+      - name: Lint the code
+        run: sh shell/lint.sh

README.md

@@ -23,6 +23,7 @@ app_file: knowledge_gpt/main.py
 | - | - |
 | **HF Deploy** | [![Deploy](https://github.com/andreped/referencebot/workflows/Deploy/badge.svg)](https://github.com/andreped/referencebot/actions) |
 | **File size check** | [![Filesize](https://github.com/andreped/referencebot/workflows/Check%20file%20size/badge.svg)](https://github.com/andreped/referencebot/actions) |
+| **Formatting check** | [![Filesize](https://github.com/andreped/ReferenceBot/workflows/Linting/badge.svg)](https://github.com/andreped/ReferenceBot/actions) |
 
 ## [Installation](https://github.com/andreped/referencebot#installation)