web: convert changelogs from old format

https://gist.github.com/dumbmoron/3fc6c0c747d791928aba939976fd9304

web/changelogs/7.1.md

@@ -0,0 +1,28 @@
+---
+title: "instagram, streamable, video metadata, and more!"
+date: "August 20, 2023"
+banner:
+    file: "meowthproductions.webp"
+    alt: "meowth roaring in a fancy circle, à la MGM studios intro"
+---
+service improvements:
+- extended instagram support: high quality photos, videos, reels. everything should work without any issues, enjoy! :)
+- added support for streamable.com (thanks to <a class="text-backdrop link" href="https://github.com/imputnet/cobalt/pull/179" target="_blank">#179</a>)
+- added video metadata to youtube videos.
+- fixed vk video downloads.
+- vxtwitter links are now supported.
+- fixed support for youtube audio dubs.
+
+ui improvements:
+- fixed picker popup: it's now scrollable in all cases and clickable areas don't overlap each other.
+
+backend improvements:
+- cobalt will now let you know if something goes wrong during video download instead of nuking the stream.
+- added support for cookies (thanks to <a class="text-backdrop link" href="https://github.com/imputnet/cobalt/pull/177" target="_blank">#177</a>)
+- replaced got with undici (thanks to <a class="text-backdrop link" href="https://github.com/imputnet/cobalt/pull/182" target="_blank">#182</a>). downloads should be slightly faster and clean of garbage in headers.
+
+internal improvements:
+- moved host overrides into its own module.
+- minor clean ups.
+
+even more cool stuff is coming in future updates! thank you for using cobalt :D