add example template

docs/components/popup.md

@@ -100,7 +100,19 @@ A description of the component goes here.
 
 ## Examples
 
-### Fixed Positioning Strategy
+### Placement
+
+TODO
+
+### Distance
+
+TODO
+
+### Skidding
+
+TODO
+
+### Positioning Strategy
 
 By default, an absolute positioning strategy is used. However, if your content is fixed or within a container that has `overflow: auto|hidden`, the popup will be clipped. To work around this, you can switch to the fixed positioning strategy by setting the `strategy` attribute to `fixed`.
 
@@ -108,6 +120,18 @@ The fixed positioning reduces jumpiness when the anchor is fixed and allows the
 
 TODO
 
+### Flip
+
+TODO
+
+### Shift
+
+TODO
+
+### Resize
+
+TODO
+
 ### Arrows
 
 TODO