Add bodyweight squat video and editable project

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FXVsD1DgdzZLiPuwtKzMSY

videos/projects/bodyweight-squat/compositions/wash.html

@@ -0,0 +1,15 @@
+<template>
+  <style>
+    #root { position: absolute; inset: 0; pointer-events: none; }
+    #wash-top { position: absolute; left: 0; top: 0; width: 100%; height: 420px; background: linear-gradient(to bottom, rgba(5,11,26,0.78), rgba(5,11,26,0)); }
+    #wash-bottom { position: absolute; left: 0; bottom: 0; width: 100%; height: 440px; background: linear-gradient(to top, rgba(5,11,26,0.82), rgba(5,11,26,0)); }
+  </style>
+  <div id="root" data-composition-id="wash" data-width="1920" data-height="1080">
+    <div id="wash-top" data-layout-ignore></div>
+    <div id="wash-bottom" data-layout-ignore></div>
+  </div>
+  <script>
+    const tl = gsap.timeline({ paused: true });
+    window.__timelines["wash"] = tl;
+  </script>
+</template>