README: add workflow badge

Signed-off-by: Luca Capezzuto <luca.cpz@gmail.com>

.github/workflows/main.yml

@@ -9,9 +9,8 @@ jobs:
   linting:
     runs-on: ubuntu-latest
     steps:
-      - run: |
-        echo "Running tests triggered by a ${{ github.event_name }} event."
-        echo "Testing ${{ github.ref }} from ${{ github.repository }} on ${{ runner.os }}"
+      - run: echo "Running tests triggered by a ${{ github.event_name }} event."
+      - run: echo "Testing ${{ github.ref }} from ${{ github.repository }} on ${{ runner.os }}"
       - name: Check out code
         uses: actions/checkout@v3
       - name: Run tests

README.rst

@@ -1,6 +1,8 @@
 Lain
 ====
 
+.. image:: https://github.com/lcpz/lain/actions/workflows/main.yml/badge.svg
+
 -------------------------------------------------
 Layouts, widgets and utilities for Awesome WM 4.x
 -------------------------------------------------