fixes: fix dark scheme & port from legacy blog

My old blog only ever had 1 post, but its a good place to start.

src/data/astro-media.json

@@ -1,34 +1,2 @@
 [
-    {
-        "title": "Ship Less JavaScript with Astro",
-        "description": "Astro is a way to build websites that ships zero JavaScript by default. Only add JS when you need it for maximum performance! Fred K. Schott will teach us how it works.",
-        "url": "https://youtu.be/z15YLsLMtu4?list=PLz8Iz-Fnk_eTpvd49Sa77NiF8Uqq5Iykx",
-        "host": "Jason Lengstorf",
-        "participants": ["Fred K. Schott"],
-        "date": "2021-05-08"
-    },
-    {
-        "title": "Astro: A New Architecture for the Modern Web",
-        "description": "JavaScript meetup for mad science, hacking, and experiments. Hang out virtually on Friday at 4pm Pacific Time each week.",
-        "url": "https://www.youtube.com/watch?v=mgkwZqVkrwo",
-        "host": "Feross",
-        "participants": ["Fred K. Schott"],
-        "date": "2021-06-08"
-    },
-    {
-        "title": "Astro in 100 Seconds",
-        "description": "Astro is an open-source tool that can build static HTML websites using popular frontend JavaScript frameworks (React, Vue, Svelte), while loading fully interactive components as needed https://github.com/snowpackjs/astro",
-        "url": "https://www.youtube.com/watch?v=dsTXcSeAZq8",
-        "host": "Jeff Delaney",
-        "participants": [],
-        "date": "2021-07-12"
-    },
-    {
-        "title": "Yapping About Astro",
-        "description": "Build a static-by-default site using JavaScript components and only load whatever JavaScript you need by opting in very carefully.",
-        "url": "https://www.youtube.com/watch?v=3jPaidbpUIA",
-        "host": "Chris Coyier",
-        "participants": [],
-        "date": "2021-08-07"
-    }
 ]