Examine source code of CanvasPlus

{
  "name": "Canvas+",
  "version": "0.4.5",
  "manifest_version": 2,
  "description": "CanvasPlus: Power up your learning with color themes, navigation shortcuts, and improved performance.",
  "homepage_url": "https://canvasplus.org",
  "web_accessible_resources": [
    "src/inject/colors/apply-variables.css",
    "src/inject/colors/dark.css",
    "src/inject/colors/dim.css",
    "src/inject/sidebar/sidebar.css",
    "src/inject/linkcolor/linkcolor.css",
    "src/inject/roundermodules/roundermodules.css",
    "src/inject/hidelogo/hidelogo.css",
    "src/inject/notification/notification.css",
    "src/inject/quiz/quiz.css",
    "assets/img/light.png",
    "assets/img/dim.png",
    "assets/img/dark.png",
    "assets/img/extension-menu.png",
    "assets/img/notification-emoji/heart.png",
    "assets/img/notification-emoji/cake.png",
    "assets/img/notification-emoji/draw.png",
    "assets/img/notification-emoji/star.png",
    "assets/img/notification-emoji/tada.png",
    "assets/img/notification-emoji/magic.png",
    "assets/img/notification-emoji/siren.png",
    "src/popup/popup.html"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.instructure.com/*"
      ],
      "js": [
        "src/canvas.js",
        "src/inject/snackbar/snackbar.js",
        "src/inject/search/search.js",
        "src/imported/quicklink.js",
        "src/inject/convopeeker/convopeeker.js",
        "src/inject/notification/notification.js",
        "src/inject/roundermodules/roundermodules.js",
        "src/inject/colors/color-controller-on-load.js",
        "src/inject/scroll/scroll.js"
      ],
      "css": [
        "src/canvas.css",
        "src/inject/snackbar/snackbar.css",
        "src/inject/search/search.css",
        "src/inject/convopeeker/convopeeker.css",
        "src/inject/notification/notification.css",
        "src/inject/scroll/scroll.css"
      ]
    },
    {
      "matches": [
        "*://*.instructure.com/*"
      ],
      "js": [
        "src/util.js",
        "src/inject/colors/color-controller.js",
        "src/inject/sidebar/sidebar.js",
        "src/inject/linkcolor/linkcolor.js",
        "src/inject/hidelogo/hidelogo.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    },
    {
      "matches": [
        "*://*.instructure.com/conversations?*"
      ],
      "js": [
        "src/inject/convopeeker/conversation-param-utils.js"
      ]
    },
    {
      "matches": [
        "*://*.instructure.com/courses/*/quizzes/*/take*"
      ],
      "js": [
        "src/inject/quiz/quiz.js"
      ]
    }
  ],
  "browser_action": {
    "default_popup": "src/popup/popup.html"
  },
  "background": {
    "scripts": [
      "src/background.js"
    ],
    "persistent": false
  },
  "permissions": [
    "storage"
  ],
  "icons": {
    "16": "assets/icons/canvas-plus-favicon-active-16.png",
    "48": "assets/icons/canvas-plus-favicon-active-48.png",
    "128": "assets/icons/canvas-plus-favicon-active-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4e8e80ff-5263-4ad6-8451-41f9dc925f78}"
    }
  }
}