docs: refresh tutorial chat styling (#129)

zensical.toml

@@ -8,6 +8,7 @@ repo_name = "banteg/takopi"
 edit_uri = "edit/master/docs/"
 docs_dir = "docs"
 site_dir = "_site"
+extra_css = ["stylesheets/admonitions.css"]
 
 nav = [
   { "Home" = "index.md" },
@@ -15,6 +16,8 @@ nav = [
     { "Overview" = "tutorials/index.md" },
     { "Install & onboard" = "tutorials/install-and-onboard.md" },
     { "First run" = "tutorials/first-run.md" },
+    { "Projects & branches" = "tutorials/projects-and-branches.md" },
+    { "Multi-engine" = "tutorials/multi-engine.md" },
   ] },
   { "How-to" = [
     { "Overview" = "how-to/index.md" },
@@ -93,6 +96,7 @@ link = "https://t.me/+4VRTEKT_To0wMTUy"
 language = "en"
 logo = "assets/logo.svg"
 favicon = "assets/favicon.svg"
+custom_dir = "docs/overrides"
 font.text = "Nunito"
 font.code = "Fira Code"
 features = [
@@ -113,6 +117,12 @@ features = [
 [project.theme.icon]
 repo = "fontawesome/brands/github"
 
+[project.theme.icon.admonition]
+question = "fontawesome/solid/paper-plane"
+info = "takopi/takopi"
+user = "lucide/user-round"
+takopi = "takopi/takopi"
+
 [[project.theme.palette]]
 media = "(prefers-color-scheme)"
 toggle.icon = "lucide/sun-moon"
@@ -142,6 +152,7 @@ toggle.name = "Switch to system preference"
 [project.markdown_extensions.pymdownx.emoji]
 emoji_index = "zensical.extensions.emoji.twemoji"
 emoji_generator = "zensical.extensions.emoji.to_svg"
+options.custom_icons = ["docs/overrides/.icons"]
 
 [project.markdown_extensions.toc]
 permalink = true