Add hint to standalone version in game

src/css/ingame_hud/watermark.scss

@@ -0,0 +1,18 @@
+#ingame_HUD_Watermark {
+    position: absolute;
+    background: uiResource("get_on_itch_io.svg") center center / contain no-repeat;
+    @include S(width, 110px);
+    @include S(height, 40px);
+    @include S(top, 5px);
+    pointer-events: all;
+    cursor: pointer;
+    @include S(left, 200px);
+
+    transition: all 0.12s ease-in;
+    transition-property: opacity, transform;
+    transform: skewX(-0.5deg);
+    &:hover {
+        transform: skewX(-1deg) scale(1.02);
+        opacity: 0.9;
+    }
+}

src/css/main.scss

@@ -45,6 +45,7 @@
 @import "ingame_hud/debug_info";
 @import "ingame_hud/entity_debugger";
 @import "ingame_hud/tutorial_hints";
+@import "ingame_hud/watermark";
 
 // prettier-ignore
 $elements: 
@@ -66,6 +67,7 @@ ingame_HUD_DebugInfo,
 ingame_HUD_EntityDebugger,
 ingame_HUD_TutorialHints,
 ingame_HUD_buildings_toolbar,
+ingame_HUD_Watermark,
 
 // Overlays
 ingame_HUD_BetaOverlay,