Use a custom ProgressBar view to reduce CPU load, as using the SwiftU…

…I view results in huge (~50%) CPU usage

Implement an optional "Open OVault" button in the widget, which repla…

…ces the bottom row of OTPs.

Normalize the secret when entering manually by removing spaces and up…

…percasing

Remove not used entitlements

Remove camera entitlement

Add widget for showing OTP codes