fix README rectangle descriptions and remove unused Counter component

line-segment-intersection/README.md

@@ -17,8 +17,8 @@ The visualization displays:
 - **Point C** at (6, 7) - top-right anchor point
 - **Point B** - movable point that follows your mouse cursor
 - **Line segment AC** - connecting the two fixed points
-- **Blue rectangle** - formed by points B and C
-- **Red rectangle** - formed by points B and A
+- **Blue rectangle** - formed by point B and (cx, ay) = (6, 1)
+- **Red rectangle** - formed by point B and (ax, cy) = (1, 7)
 
 As you move your mouse over the canvas, point B follows the cursor, and the application:
 1. Calculates the width and height of both rectangles in real-time

line-segment-intersection/src/lib/Counter.svelte

@@ -1,10 +0,0 @@
-<script>
-  let count = $state(0)
-  const increment = () => {
-    count += 1
-  }
-</script>
-
-<button onclick={increment}>
-  count is {count}
-</button>