Globe: Add opacity option, Part globe WIP

- Don't run the onScroll method on load, creates a funky translate otherwise
- Bind window innerHeight via Svelte
- Path scroll smoothing option value as prop

src/routes/credits.svelte

@@ -80,7 +80,7 @@
 
         {#if process.browser}
         <Lazy offset={window.innerHeight}>
-            <InteractiveGlobe type="part" />
+            <InteractiveGlobe type="part" opacity="0.5" />
         </Lazy>
         {/if}