manifest.json

{
    "manifest_version": 2,
    "author": "luv4bytes",
    "name": "__MSG_extensionName__",
    "version": "1.4",
    "description": "__MSG_extensionDescription__",
    "homepage_url": "https://github.com/luv4bytes/rotor",
    "default_locale": "en",
    "browser_specific_settings": {
        "gecko": {
            "id": "rotor@luv4bytes.com"
        }
    },
    "permissions": [
        "contextMenus"
    ],
    "background": {
        "scripts": [
            "src/js/background.js"
        ]
    },
    "content_scripts": [
        {
            "matches": [
                "http://*/*",
                "https://*/*"
            ],
            "js": [
                "src/js/engine.js"
            ]
        }
    ],
    "icons": {
        "48": "icons/format-rotate-90_dark.png"
    },
    "page_action": {
        "browser_style": true,
        "default_icon": "icons/format-rotate-90_dark.png",
        "default_title": "__MSG_defaultPageActionTitle__",
        "show_matches": [
            "http://*/*.png",
            "https://*/*.png",
            "file://*/*.png",
            "http://*/*.jpg",
            "https://*/*.jpg",
            "file://*/*.jpg",
            "http://*/*.jpeg",
            "https://*/*.jpeg",
            "file://*/*.jpeg",
            "http://*/*.gif",
            "https://*/*.gif",
            "file://*/*.gif"
        ]
    }
}