Add example config

README.md

@@ -1,3 +1,20 @@
 # PCM Icon Bundle
 
 # WIP DON'T USE YET
+
+Example config:
+```yml
+pcm_icon:
+    directories:
+        - '%kernel.project_dir%/public/icons'
+    palletes:
+        primary:
+            stroke: 'stroke-primary'
+            fill: 'fill-primary'
+        white:
+            stroke: 'stroke-white'
+            fill: 'fill-white'
+        red:
+            stroke: 'stroke-red-400'
+            fill: 'fill-red-400'
+```