feat(docs): move to vitepress (#5785)

* feat(docs): move to vitepress

* change up hero styles to match existing site

* A bit more style tweaking

* Replace stylus with plain CSS

* improve unicode-range value for nerdfont

---------

Co-authored-by: Matan Kushner <hello@matchai.dev>

docs/public/presets/toml/no-nerd-font.toml

@@ -0,0 +1,18 @@
+[battery]
+full_symbol = "• "
+charging_symbol = "⇡ "
+discharging_symbol = "⇣ "
+unknown_symbol = "❓ "
+empty_symbol = "❗ "
+
+[erlang]
+symbol = "ⓔ "
+
+[nodejs]
+symbol = "[⬢](bold green) "
+
+[pulumi]
+symbol = "🧊 "
+
+[typst]
+symbol = "t "