chore: minor style tweaks

* use same colors as openfeature.dev
* use switch threme toggle
* improve searchability of troubleshooting topic

docs/assets/extra.css

@@ -0,0 +1,8 @@
+/* same trim colors as openfeature.dev */
+:root {
+  --md-primary-fg-color:        #5d5dff;
+  --md-primary-fg-color--light: #5d5dff;
+  --md-primary-fg-color--dark:  #5d5dff;
+  --md-accent-fg-color:        #8d8dff;
+  --md-accent-fg-color--transparent:rgba(141,141,255,0.1);
+}

docs/troubleshooting.md

@@ -47,7 +47,7 @@ Result:
 
 ---
 
-## Extra/Duplicate Events in File Syncs
+## Extra (Duplicate) Events in File Syncs
 
 When using the file sync, you may notice more events than you'd expect.
 This is attributable to nuances in text editors and the OS/filesystem.

mkdocs.yml

@@ -6,15 +6,19 @@ theme:
       # Palette toggle for light mode
     - media: "(prefers-color-scheme: light)"
       scheme: default
+      primary: custom
+      accent: custom
       toggle:
-        icon: material/brightness-7
+        icon: material/toggle-switch-outline
         name: Switch to dark mode
 
     # Palette toggle for dark mode
     - media: "(prefers-color-scheme: dark)"
       scheme: slate
+      primary: custom
+      accent: custom
       toggle:
-        icon: material/brightness-4
+        icon: material/toggle-switch-off      
         name: Switch to light mode
   logo: assets/logo-white.svg
   favicon: assets/logo-white.svg
@@ -27,6 +31,8 @@ theme:
     - search.suggest
     - search.highlight
     - search.share
+extra_css:
+  - assets/extra.css
 
 docs_dir: docs
 repo_url: https://github.com/open-feature/flagd