fix: add back styling

Author: dsinghvi

fern/docs.yml

@@ -61,3 +61,61 @@ products:
     icon: fa-regular fa-plug
     image: ./images/product-switcher/grpc-def.png
     slug: grpc
+
+
+css: ./assets/styles.css
+
+navbar-links:
+  - type: minimal
+    text: Slack community
+    url: https://buildwithfern.com/slack
+  - type: secondary
+    text: Log in
+    url: https://dashboard.buildwithfern.com/
+  - type: filled
+    text: Book a demo
+    url: https://buildwithfern.com/contact
+
+typography:
+  bodyFont:
+    name: GT-Planar
+    paths:
+      - path: ./assets/GT-Planar.woff2
+        weight: 400
+      - path: ./assets/GT-Planar-Medium.woff2
+        weight: 500
+      - path: ./assets/GT-Planar-Bold.woff2
+        weight: 600 700
+  headingsFont:
+    name: GT-Planar-Bold
+    path: ./assets/GT-Planar-Bold.woff2
+    weight: 600 700
+
+logo:
+  href: /learn
+  light: ./images/logo-primary.svg
+  dark: ./images/logo-white.svg
+  height: 20
+colors:
+  accent-primary:
+    dark: "#70E155"
+    light: "#008700"
+  background:
+    dark: "#111113"
+    light: "#FFFFFF"
+  border: 
+    dark: "#393A40"
+    light: "#E0E1E6"
+  header-background:
+    dark: "#19191B"
+    light: "#FFFFFF"
+  card-background:
+    dark: "#222325"
+    light: "#FFFFFF"
+favicon: ./images/favicon_32.png
+
+layout:
+  page-width: 1504px
+  header-height: 75px
+  searchbar-placement: header
+  tabs-placement: header