cmake: Add build presets too

This is new in cmake 3.20 and makes the vscode experience much better

CMakePresets.json

@@ -1,5 +1,5 @@
 {
-    "version": 1,
+    "version": 2,
     "configurePresets": [
         {
             "name": "dev-qtwidgets",
@@ -145,5 +145,27 @@
                 "PATH": "$env{QT6_DIR}/bin:$penv{PATH}"
             }
         }
+    ],
+    "buildPresets": [
+        {
+            "name": "dev-qtwidgets",
+            "configurePreset": "dev-qtwidgets"
+        },
+        {
+            "name": "dev-qtwidgets6",
+            "configurePreset": "dev-qtwidgets6"
+        },
+        {
+            "name": "dev-qtquick",
+            "configurePreset": "dev-qtquick"
+        },
+        {
+            "name": "dev-qtquick6",
+            "configurePreset": "dev-qtquick6"
+        },
+        {
+            "name": "clazy-qtwidgets",
+            "configurePreset": "clazy-qtwidgets"
+        }
     ]
 }