Examine source code of SideApp For Instagram

{
  "name": "SideApp For Instagram",
  "description": "SideApp For Instagram",
  "permissions": [
    "storage",
    "tabs"
  ],
  "version": "1.1.0.50",
  "applications": {
    "gecko": {
      "id": "sbfoig.ff@Scripty_via_The.UNITY.Empire",
      "strict_min_version": "42.0"
    }
  },
  "background": {
    "page": "background.html"
  },
  "browser_action": {
    "default_icon": "instagram.png",
    "default_title": "SideApp for Instagram"
  },
  "sidebar_action": {
    "default_icon": {
      "512": "instagram.png"
    },
    "default_title": "Instagram",
    "default_panel": "index.html"
  },
  "icons": {
    "512": "instagram.png"
  },
  "manifest_version": 2
}