manifest.json

{
    "manifest_version": 2,
    "name": "Dictionary Browser Extension",
    "homepage_url": "https://github.com/aetiss/dictionary_browser_extension",
    "version": "1.1",
    "description": "Basic English Dictionary lookup addon/extension for Firefox providing meaning of word thats double-clicked selected on a webpage.",
    "icons": {
        "64": "assets/icon_book_64.png"
    },
    "permissions": [
        "activeTab",
        "storage"
    ],
    "content_scripts": [
        {
            "matches": [
                "<all_urls>"
            ],
            "js": [
                "content.js"
            ]
        }
    ],
    "browser_action": {
        "default_icon": {
            "64": "assets/icon_book_64.png"
        },
        "default_popup": "browserAction/index.html",
        "default_title": "English Dictionary"
    },
    "commands": {
        "_execute_browser_action": {
            "suggested_key": { "default": "Ctrl+Alt+S" },
            "description": "search dictionary for selected keyword"
        }
    },
    "web_accessible_resources": [
        "options/options.html"
    ],
    "options_ui": {
        "page": "options/options.html",
        "browser_style": false,
        "open_in_tab": true
    }
}