The great refactor (#82)

source/templates/classic/README.md

@@ -0,0 +1,19 @@
+### 📗 Classic
+
+Default template, mimicking GitHub visual identity.
+
+<table>
+  <td align="center">
+    <img src="https://github.com/lowlighter/lowlighter/blob/master/metrics.classic.svg">
+    <img width="900" height="1" alt="">
+  </td>
+</table>
+
+#### ℹ️ Examples workflows
+
+```yaml
+- uses: lowlighter/metrics@latest
+  with:
+    # ... other options
+    template: classic
+```