aShell You v3.4.0

Change log~

• Added a Paste button so that you can copy and paste commands quickly.

• Added Error indicators in the text input field.

• Improved Navigation Bar visibility logic.

• Fixed an issue where switches misbehaves under certain situations.

• Fixed add bookmark icon visibility in various contrast levels .

• A lot of code optimisation. App now opens a lot faster than before.

• App will stay in background and won't restart every time you close the app by just pressing the back button/gesture.