v0.3-alpha

Updates:

• refactor: Inject script on click

chrome.action.onClicked.addListener((tab) => { ... } 

• feat: Add a simple toggle button (#3, #4)

  toggle ? (
      chrome.scripting.insertCSS({
          target: {tabId: tab.id},
          css: `.blur { filter: blur(4px); }`
      })
      ) : (
          chrome.scripting.insertCSS({
              target: {tabId: tab.id},
              css: `.blur { filter: none; }`
          })
  );