add icons

update Makefile

fix

Makefile

@@ -3,4 +3,4 @@ SET_VERSION = $(eval CURRENT_VERSION=$(VERSION))
 
 default:
 	$(SET_VERSION)
-	zip -r releases/epas-ripper-$(CURRENT_VERSION).xpi style.css content.js lib archive-viewer manifest.json
+	zip -r releases/epas-ripper-$(CURRENT_VERSION).xpi style.css content.js lib archive-viewer manifest.json icons

manifest.json

@@ -31,6 +31,12 @@
       ]
     }
   ],
+  "icons": {
+    "32": "icons/icon-32.png",
+    "48": "icons/icon-48.png",
+    "96": "icons/icon-96.png",
+    "128": "icons/icon-128.png"
+  },
   "web_accessible_resources": [
     {
       "resources": [