Add new examples

example/examples/widgets/hover_hint/hover_hint.gui

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+fonts {
+  name: "text_regular"
+  font: "/example/assets/fonts/text_regular.font"
+}
+textures {
+  name: "druid"
+  texture: "/example/assets/druid.atlas"
+}
+nodes {
+  size {
+    x: 200.0
+    y: 90.0
+  }
+  type: TYPE_BOX
+  id: "root"
+  inherit_alpha: true
+  visible: false
+}
+nodes {
+  size {
+    x: 250.0
+    y: 90.0
+  }
+  color {
+    x: 0.129
+    y: 0.141
+    z: 0.157
+  }
+  type: TYPE_BOX
+  texture: "druid/ui_circle_32"
+  id: "panel_hint"
+  parent: "root"
+  inherit_alpha: true
+  slice9 {
+    x: 16.0
+    y: 16.0
+    z: 16.0
+    w: 16.0
+  }
+}
+nodes {
+  scale {
+    x: 0.65
+    y: 0.65
+  }
+  size {
+    x: 350.0
+    y: 150.0
+  }
+  color {
+    x: 0.463
+    y: 0.475
+    z: 0.49
+  }
+  type: TYPE_TEXT
+  text: "Show hint on hover"
+  font: "text_regular"
+  id: "text_hint"
+  outline {
+    x: 1.0
+    y: 1.0
+    z: 1.0
+  }
+  shadow {
+    x: 1.0
+    y: 1.0
+    z: 1.0
+  }
+  line_break: true
+  parent: "panel_hint"
+  inherit_alpha: true
+  outline_alpha: 0.0
+  shadow_alpha: 0.0
+}
+material: "/builtins/materials/gui.material"
+adjust_reference: ADJUST_REFERENCE_PARENT