Control+<number> Tab switcher

manifest.json

{
  "manifest_version": 2,
  "name": "Control+<number> Tab switcher",
  "short_name": "Control tabs",
  "description": "Maps Control+<number> as a hotkey to focus tab <number>, just like Alt+<number>",
  "version": "1.0.3resigned1",
  "author": "Nathaniel Harward",
  "homepage_url": "https://github.com/nharward/web-ext-control-n-tabs",
  "applications": {
    "gecko": {
      "id": "{ada9ade6-700d-4a7c-b317-63b4700d8cbd}",
      "strict_min_version": "48.0"
    }
  },
  "background": {
    "scripts": [
      "tab-hotkeys.js"
    ]
  },
  "commands": {
    "activate-tab-0": {
      "suggested_key": {
        "default": "Ctrl+1"
      },
      "description": "Activate tab 1"
    },
    "activate-tab-1": {
      "suggested_key": {
        "default": "Ctrl+2"
      },
      "description": "Activate tab 2"
    },
    "activate-tab-2": {
      "suggested_key": {
        "default": "Ctrl+3"
      },
      "description": "Activate tab 3"
    },
    "activate-tab-3": {
      "suggested_key": {
        "default": "Ctrl+4"
      },
      "description": "Activate tab 4"
    },
    "activate-tab-4": {
      "suggested_key": {
        "default": "Ctrl+5"
      },
      "description": "Activate tab 5"
    },
    "activate-tab-5": {
      "suggested_key": {
        "default": "Ctrl+6"
      },
      "description": "Activate tab 6"
    },
    "activate-tab-6": {
      "suggested_key": {
        "default": "Ctrl+7"
      },
      "description": "Activate tab 7"
    },
    "activate-tab-7": {
      "suggested_key": {
        "default": "Ctrl+8"
      },
      "description": "Activate tab 8"
    },
    "activate-last-tab": {
      "suggested_key": {
        "default": "Ctrl+9"
      },
      "description": "Activate last tab"
    }
  }
}