tooltip: rework as pseudo-component, fix overflow

uses the <tool-tip> tag now, and the setupTooltips() function in ui.ts
must be called at any point in the pages load. added "below-center"
position, showing below and centered horizontally. breakpoint tailwind
lingo also now works (e.g. "below-center sm:right"). If a left or
right-aligned tooltip clips off the screen, it will be shifted the
appropriate amount left/right to avoid that automatically.

ts/modules/search.ts

@@ -751,7 +751,7 @@ export class Search implements Navigatable {
             triggerManually = !url.searchParams.has("search");
             url.searchParams.delete("search");
         }
-        console.log("pushing", url.toString());
+        // console.log("pushing", url.toString());
         window.history.pushState(null, "", url.toString());
         if (triggerManually) this.navigate();
     };