feat: add root page design

* feat: add options/map flow, dev seed, and artwork fixes

Options page, Kakao map with florist order message, dev tooling, and
create/message dummy gating — without secrets in .env.example.

Co-authored-by: Cursor <cursoragent@cursor.com>

* with generating page + art work

* with flower images

* with route page

* route page loop

---------

Co-authored-by: 이지은 <ijieun@ijieun-ui-MacBookPro.local>
Co-authored-by: Cursor <cursoragent@cursor.com>

src/lib/assets/landing/sprout.svg

@@ -0,0 +1,11 @@
+<svg width="46" height="80" viewBox="0 0 46 80" fill="none" xmlns="http://www.w3.org/2000/svg">
+<g clip-path="url(#clip0_2215_65)">
+<path d="M23 80V28" stroke="#38322F" stroke-width="2.4" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M23 52C13 52 8 45 8 36C18 37 23 43 23 52Z" fill="#38322F"/>
+</g>
+<defs>
+<clipPath id="clip0_2215_65">
+<rect width="46" height="80" fill="white"/>
+</clipPath>
+</defs>
+</svg>