Rename files and folders per ADR #12 (#4106)

Renamed folders:
./apps/desktop/src/models/nativeMessaging
./apps/desktop/src/models/nativeMessaging/encryptedMessagePayloads
./apps/desktop/src/models/nativeMessaging/encryptedMessageResponses
Renamed all files
Cleaned up entries in whitelist-capital-letters.txt

apps/desktop/src/main/power-monitor.main.ts

@@ -0,0 +1,47 @@
+import { powerMonitor } from "electron";
+
+import { isSnapStore } from "@bitwarden/electron/utils";
+
+import { Main } from "../main";
+
+// tslint:disable-next-line
+const IdleLockSeconds = 5 * 60; // 5 minutes
+const IdleCheckInterval = 30 * 1000; // 30 seconds
+
+export class PowerMonitorMain {
+  private idle = false;
+
+  constructor(private main: Main) {}
+
+  init() {
+    // ref: https://github.com/electron/electron/issues/13767
+    if (!isSnapStore()) {
+      // System sleep
+      powerMonitor.on("suspend", () => {
+        this.main.messagingService.send("systemSuspended");
+      });
+    }
+
+    if (process.platform !== "linux") {
+      // System locked
+      powerMonitor.on("lock-screen", () => {
+        this.main.messagingService.send("systemLocked");
+      });
+    }
+
+    // System idle
+    global.setInterval(() => {
+      const idleSeconds: number = powerMonitor.getSystemIdleTime();
+      const idle = idleSeconds >= IdleLockSeconds;
+      if (idle) {
+        if (this.idle) {
+          return;
+        }
+
+        this.main.messagingService.send("systemIdle");
+      }
+
+      this.idle = idle;
+    }, IdleCheckInterval);
+  }
+}