Merge develop into main (#343)

- Refactor `AppManifest`: add new fields and rename existing ones
- Parse and validate the manifest from an app that is being installed.
- Remove deprecated `scoped()` from `Lock`
- Create `Tactility/Paths.h`
- App loading at boot now properly parses the manifest files of external apps
- Properly lock both source and destination locations during app install
- Remove LVGL path variants from `AppPaths` and `ServicePaths`
- Removed `xPath` base classes for apps and services. There's now `AppPaths` and `ServicePaths`.
- Renamed app and service paths: "data" and "system" paths are now "user data" and "assets"

Tactility/Source/Paths.cpp

@@ -0,0 +1,56 @@
+#include <Tactility/Paths.h>
+
+#include <Tactility/app/AppManifestParsing.h>
+#include <Tactility/MountPoints.h>
+#include <Tactility/hal/sdcard/SdCardDevice.h>
+
+#include <format>
+
+namespace tt {
+
+bool findFirstMountedSdCardPath(std::string& path) {
+    // const auto sdcards = hal::findDevices<hal::sdcard::SdCardDevice>(hal::Device::Type::SdCard);
+    bool is_set = false;
+    hal::findDevices<hal::sdcard::SdCardDevice>(hal::Device::Type::SdCard, [&is_set, &path](const auto& device) {
+        if (device->isMounted()) {
+            path = device->getMountPath();
+            is_set = true;
+            return false; // stop iterating
+        } else {
+            return true;
+        }
+    });
+    return is_set;
+}
+
+std::string getSystemRootPath() {
+    std::string root_path;
+    if (!findFirstMountedSdCardPath(root_path)) {
+        root_path = file::MOUNT_POINT_DATA;
+    }
+    return root_path;
+}
+
+std::string getTempPath() {
+    return getSystemRootPath() + "/tmp";
+}
+
+std::string getAppInstallPath() {
+    return getSystemRootPath() + "/app";
+}
+
+std::string getUserPath() {
+    return getSystemRootPath() + "/user";
+}
+
+std::string getAppInstallPath(const std::string& appId) {
+    assert(app::isValidId(appId));
+    return std::format("{}/{}", getAppInstallPath(), appId);
+}
+
+std::string getAppUserPath(const std::string& appId) {
+    assert(app::isValidId(appId));
+    return std::format("{}/app/{}", getUserPath(), appId);
+}
+
+}