XCode project for app, moved app project to folder

SideStoreApp/Sources/Cargo/swiftlint/Helpers/ProgressBar.swift

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+import Dispatch
+import Foundation
+import SwiftLintFramework
+
+// Inspired by https://github.com/jkandzi/Progress.swift
+actor ProgressBar {
+    private var index = 1
+    private var lastPrintedTime: TimeInterval = 0.0
+    private let startTime = uptime()
+    private let count: Int
+
+    init(count: Int) {
+        self.count = count
+    }
+
+    func initialize() {
+        // When progress is printed, the previous line is reset, so print an empty line before anything else
+        queuedPrintError("")
+    }
+
+    func printNext() {
+        guard index <= count else { return }
+
+        let currentTime = uptime()
+        if currentTime - lastPrintedTime > 0.1 || index == count {
+            let lineReset = "\u{1B}[1A\u{1B}[K"
+            let bar = makeBar()
+            let timeEstimate = makeTimeEstimate(currentTime: currentTime)
+            let lineContents = "\(index) of \(count) \(bar) \(timeEstimate)"
+            queuedPrintError("\(lineReset)\(lineContents)")
+            lastPrintedTime = currentTime
+        }
+
+        index += 1
+    }
+
+    // MARK: - Private
+
+    private func makeBar() -> String {
+        let barLength = 30
+        let completedBarElements = Int(Double(barLength) * (Double(index) / Double(count)))
+        let barArray = Array(repeating: "=", count: completedBarElements) +
+            Array(repeating: " ", count: barLength - completedBarElements)
+        return "[\(barArray.joined())]"
+    }
+
+    private func makeTimeEstimate(currentTime: TimeInterval) -> String {
+        let totalTime = currentTime - startTime
+        let itemsPerSecond = Double(index) / totalTime
+        let estimatedTimeRemaining = Double(count - index) / itemsPerSecond
+        let estimatedTimeRemainingString = "\(Int(estimatedTimeRemaining))s"
+        return "ETA: \(estimatedTimeRemainingString) (\(Int(itemsPerSecond)) files/s)"
+    }
+}
+
+#if os(Linux)
+// swiftlint:disable:next identifier_name
+private let NSEC_PER_SEC = 1_000_000_000
+#endif
+
+private func uptime() -> TimeInterval {
+    Double(DispatchTime.now().uptimeNanoseconds) / Double(NSEC_PER_SEC)
+}