feat: make the floating selectionTools follow the scrolling, while the result window remains fixed (#40)

src/utils/get-client-position.mjs

@@ -0,0 +1,4 @@
+export function getClientPosition(e) {
+  const rect = e.getBoundingClientRect()
+  return { x: rect.left, y: rect.top }
+}

src/utils/index.mjs

@@ -2,6 +2,7 @@ export * from './create-element-at-position'
 export * from './crop-text'
 export * from './ends-with-question-mark'
 export * from './fetch-sse'
+export * from './get-client-position'
 export * from './get-conversation-pairs'
 export * from './get-possible-element-by-query-selector'
 export * from './init-session'