Add private browse

• Add private mode. You can start the private mode from the context menu on search button.
• Update the onboarding to explain how to use the private mode.

Minor updates

• Move to the same url tab when searching form clipboard
• Add search history when search from clipboard
• Apply code formatter
• Minor fixes

Keyboard Bar and Context Menu for Search Button

• Add a tool bar on the keyboard
• Add a context menu for search button
• Some improvements

Keyboard Bar

Context Menu for Search Button

Some improvements

• Localize skip button in Onboarding
• Fix an issue that URL cannot be modified during loading
• Fix an issue when reloading not selected tab from the context menu
• Fix an issue of synchronizing bookmark and search view
• Add a GitHub action for build and unit test

Some small improvements

• Fix an issue that doesn't allow to open App Store link
• Change the way to load web pages
• Replace progress bar in tabs with activity indicator

Initial Release

Initial Release.