Add CMake presets for macOS. (#3748)

CMakeDarwinPresets.json

@@ -0,0 +1,22 @@
+{
+  "version": 9,
+  "cmakeMinimumRequired": {
+    "major": 3,
+    "minor": 30,
+    "patch": 0
+  },
+  "configurePresets": [
+    {
+      "name": "x64-Clang-Base",
+      "hidden": true,
+      "generator": "Ninja",
+      "binaryDir": "${sourceDir}/Build/${presetName}",
+      "cacheVariables": {
+        "CMAKE_C_COMPILER": "clang",
+        "CMAKE_CXX_COMPILER": "clang++",
+        "CMAKE_INSTALL_PREFIX": "${sourceDir}/Build/${presetName}",
+        "CMAKE_OSX_ARCHITECTURES": "x86_64"
+      }
+    }
+  ]
+}

REUSE.toml

@@ -5,6 +5,7 @@ path = [
     "REUSE.toml",
     "crowdin.yml",
     "CMakeSettings.json",
+    "CMakeDarwinPresets.json",
     "CMakeLinuxPresets.json",
     "CMakeWindowsPresets.json",
     "CMakePresets.json",