Rely on SPM plugins to consume SwiftLint and SwiftFormat

Use their latest releases and fix some violations and issues.

# Conflicts:
#	.github/workflows/linting.yml
#	.github/workflows/testing.yml

pass/Controllers/SSHKeyURLImportTableViewController.swift

@@ -0,0 +1,67 @@
+//
+//  SSHKeyURLImportTableViewController.swift
+//  pass
+//
+//  Created by Mingshen Sun on 25/1/2017.
+//  Copyright © 2017 Bob Sun. All rights reserved.
+//
+
+import passKit
+import SVProgressHUD
+
+class SSHKeyURLImportTableViewController: AutoCellHeightUITableViewController {
+    @IBOutlet var privateKeyURLTextField: UITextField!
+
+    var sshPrivateKeyURL: URL?
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        privateKeyURLTextField.text = Defaults.gitSSHPrivateKeyURL?.absoluteString
+    }
+
+    @IBAction
+    private func doneButtonTapped(_: UIButton) {
+        guard let text = privateKeyURLTextField.text,
+              let privateKeyURL = URL(string: text) else {
+            Utils.alert(title: "CannotSave".localize(), message: "SetPrivateKeyUrl.".localize(), controller: self)
+            return
+        }
+
+        if privateKeyURL.scheme?.lowercased() == "http" {
+            let savePassphraseAlert = UIAlertController(title: "HttpNotSecure".localize(), message: "ReallyUseHttp?".localize(), preferredStyle: .alert)
+            savePassphraseAlert.addAction(UIAlertAction(title: "No".localize(), style: .default) { _ in })
+            savePassphraseAlert.addAction(
+                UIAlertAction(title: "Yes".localize(), style: .destructive) { _ in
+                    self.sshPrivateKeyURL = privateKeyURL
+                    self.performSegue(withIdentifier: "importSSHKeySegue", sender: self)
+                }
+            )
+            present(savePassphraseAlert, animated: true)
+            return
+        }
+        sshPrivateKeyURL = privateKeyURL
+        performSegue(withIdentifier: "importSSHKeySegue", sender: self)
+    }
+}
+
+extension SSHKeyURLImportTableViewController: KeyImporter {
+    static let keySource = KeySource.url
+    static let label = "DownloadFromUrl".localize()
+
+    func isReadyToUse() -> Bool {
+        guard let url = sshPrivateKeyURL else {
+            Utils.alert(title: "CannotSave".localize(), message: "SetPrivateKeyUrl.".localize(), controller: self)
+            return false
+        }
+        guard url.scheme == "https" || url.scheme == "http" else {
+            Utils.alert(title: "CannotSave".localize(), message: "UseEitherHttpsOrHttp.".localize(), controller: self)
+            return false
+        }
+        return true
+    }
+
+    func importKeys() throws {
+        Defaults.gitSSHPrivateKeyURL = sshPrivateKeyURL
+        try KeyFileManager.PrivateSSH.importKey(from: Defaults.gitSSHPrivateKeyURL!)
+    }
+}