added icons to ff and chrome

.gitignore

@@ -1,6 +1,7 @@
 *.idea
 *Backend
 *cert
+.DS_Store
 StaticSite/.editorconfig
 StaticSite/package-lock.json
 

Extensions/chrome/manifest.json

@@ -6,6 +6,10 @@
   "background": {
     "service_worker": "background.js"
   },
+  "icons": {
+    "48": "icons/icon48.png",
+   "128": "icons/icon128.png"
+  },
   "host_permissions": ["*://*.youtube.com/*"],
   "action": {
     "default_popup": "popup.html"

Extensions/firefox/manifest.json

@@ -6,6 +6,10 @@
   "background": {
     "scripts": ["background.js"]
   },
+  "icons": {
+    "48": "icons/icon48.png",
+   "128": "icons/icon128.png"
+  },
   "permissions": ["activeTab", "*://*.youtube.com/*"],
   "browser_action": {
     "default_popup": "popup.html"