Convert usermods from header to library

usermods/stairway_wipe_basic/library.json

@@ -0,0 +1,9 @@
+{
+  "name:": "stairway_wipe_basic",
+  "build": {
+    "srcDir": ".",
+    "includeDir": "../../wled00",
+    "libLDFMode": "chain+",
+    "libArchive": false
+  }
+}

usermods/stairway_wipe_basic/stairway_wipe_basic.cpp

@@ -126,3 +126,7 @@ void setup() {
    //More methods can be added in the future, this example will then be extended.
    //Your usermod will remain compatible as it does not need to implement all methods from the Usermod base class!
 };
+
+
+static StairwayWipeUsermod stairway_wipe_basic;
+REGISTER_USERMOD(stairway_wipe_basic);