Add Cecilia route video

Author: Tibowl

src/data/guides.json

@@ -24,6 +24,7 @@
         "name": "Cecilia route",
         "desc": "**Cecilias ${Cecilia}** can be found in the wilderness of Starsnatch Cliff and are being sold by [**Flora**](https://cdn.discordapp.com/attachments/922011009428910160/922151480461525046/Flora.png) (up to 5 per 3 days).\n\n> A beautiful flower with a name that suits its appearance. It only grows where harsh winds blow, and is just as intangible as the true heart of an unbound soul.",
         "img": "https://cdn.discordapp.com/attachments/922011009428910160/953730420577562694/unknown.png",
+        "url": "https://youtu.be/YlSgzeoy4wA",
         "credits": "Maple",
         "links": {
           "material": ["Cecilia"]