feat(home): add Learning & Projects sections; polish copy\n\n- Learning: personal/warm tone, Hebrew/Israel/Aviation updates\n- Projects: paragraph style (no boxes)\n- Hebrew support: add Noto Sans Hebrew, RTL handling, Heb.vue component\n- Remove Heebo; update CSS and deps

app/components/Heb.vue

@@ -0,0 +1,9 @@
+<template>
+  <span class="hebrew" lang="he" dir="rtl"><slot /></span>
+</template>
+
+<script setup lang="ts">
+// no-op
+</script>
+
+