feat: desktop updater (#825)

* added changelog drawer

* Created a scaffold for Linux installation

* implement Linux updating

* Add debug logs about installer in service

* Add client side of installation logic for Windows and MacOS

* Add service side of installation logic for Windows

* ru readme

* Update README_RU.md

* Add files via upload

* chore: added clang-format config files (#1293)

* Update README_RU.md

* Update README.md

* feature: added subscription expiration date for premium v2 (#1261)

* feature: added subscription expiration date for premium v2

* feature: added a check for the presence of the “services” field in the response body of the getServicesList() function

* feature: added prohibition to change location when connection is active

* bugfix: renamed public_key->end_date to public_key->expires_at according to the changes on the backend

* feature/xray user management (#972)

* feature: implement client management functionality for Xray

---------

Co-authored-by: aiamnezia <ai@amnezia.org>
Co-authored-by: vladimir.kuznetsov <nethiuswork@gmail.com>

* Fix formatting

* Add some logs

* Add logs from installattion shell on Windows

* Fix installation for Windows and MacOS

* Optimized code

* Move installer running to client side for Ubuntu

* Move installer launch logic to client side for Windows

* Clean service code

* Add linux_install script to resources

* Add logs for UpdateController

* Add draft for MacOS installation

* Disable updates checking for Android and iOS

* chore: fixed macos update script

* chore: remove duplicate lines

* chore: post merge fixes

* chore: add missing ifdef

* decrease version for testing

* chore: added changelog text processing depend on OS

* add .vscode to .gitignore

* Change updater downloading method to retrieving link from the gateway

* add Release date file creation to s3 deploy script

* Add release date downloading from endpoint

* update check refactoring

* feat: switch macOS auto-update from DMG to ZIP+PKG installer

- Update macOS artifact URL from .dmg to .zip
- Rewrite mac_installer.sh to extract ZIP and install PKG via osascript
- Increase download timeout to 30s for larger ZIP files

* fix: fix Android build

* feat: Change get request for updater link to post

* refactor: preparing NewsModel for update notifications

- Changed `updateModel` to `setNewsList` for better semantic meaning.
- Delegate model container updating to private method updateModel
- Updated the logic for marking news as read to use item IDs instead of a boolean flag.

* feat: Move update notification in news list

- Updated `UpdateController` to handle empty release dates in header text.
- Added `getVersion` method to `UpdateController` for version retrieval.
- Enhanced `NewsModel` to support update notifications with new methods for marking updates as skipped and setting update notifications.
- Updated QML pages to display update information and provide actions for updates and skipping them.
- Introduced `isUpdate` property in `NewsItem` to differentiate between regular news and updates.

* feat: Implement rate limit workaround for gateway requests

- Added a delay before contacting the gateway in both `UpdateController` and `ApiNewsController` to prevent rate limit issues caused by simultaneous requests.

* refactor: Convert synchronous network requests to asynchronous in UpdateController

- Updated `UpdateController` to use asynchronous network requests for fetching gateway URL, version info, changelog, and release date.
- Introduced `doGetAsync` method to handle asynchronous GET requests with error handling.
- Removed synchronous methods to improve responsiveness and prevent blocking the UI during network operations.
- Added a mechanism to prevent multiple concurrent update checks.

* chore: Decrease AmneziaVPN version to 4.8.10.0 in CMakeLists.txt for testing

* refactor: Improve update check handling to avoid rate limit issues

- Updated `CoreController` to initiate update checks after news fetching is complete.
- Removed synchronous waiting in `ApiNewsController` to streamline the fetching process.

* fix: fixed typo in IsReadRole

* fix: fix updater filenames

* chore: move updateController to core

* refactor: update to mvvm

* chore: tiny fix

---------

Co-authored-by: aiamnezia <ai@amnezia.org>
Co-authored-by: aiamnezia <ai@amnezia.com>
Co-authored-by: Pokamest Nikak <pokamest@gmail.com>
Co-authored-by: KsZnak <ksu@amnezia.org>
Co-authored-by: Cyril Anisimov <cyan84@gmail.com>
Co-authored-by: vkamn <vk@amnezia.org>

client/core/utils/selfhosted/scriptsRegistry.cpp

@@ -73,6 +73,15 @@ QString amnezia::scriptName(ProtocolScriptType type)
     }
 }
 
+QString amnezia::scriptName(ClientScriptType type)
+{
+    switch (type) {
+    case ClientScriptType::linux_installer: return QLatin1String("linux_installer.sh");
+    case ClientScriptType::mac_installer: return QLatin1String("mac_installer.sh");
+    default: return QString();
+    }
+}
+
 QString amnezia::scriptData(amnezia::SharedScriptType type)
 {
     QString fileName = QString(":/server_scripts/%1").arg(amnezia::scriptName(type));
@@ -101,6 +110,22 @@ QString amnezia::scriptData(amnezia::ProtocolScriptType type, DockerContainer co
     return data;
 }
 
+QString amnezia::scriptData(ClientScriptType type)
+{
+    QString fileName = QString(":/client_scripts/%1").arg(amnezia::scriptName(type));
+    QFile file(fileName);
+    if (!file.open(QIODevice::ReadOnly)) {
+        qDebug() << "Warning: script missing" << fileName;
+        return "";
+    }
+    QByteArray data = file.readAll();
+    if (data.isEmpty()) {
+        qDebug() << "Warning: script is empty" << fileName;
+    }
+    data.replace("\r", "");
+    return data;
+}
+
 amnezia::ScriptVars amnezia::genBaseVars(const ServerCredentials &credentials, 
                                           DockerContainer container,
                                           const QString &primaryDns,