style: 💄 add rostools-theme Quarto extension

_extensions/rostools/rostools-theme/_brand.yml

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+meta:
+  name:
+    full: rostools
+  link:
+    github: https://github.com/rostools
+
+typography:
+  fonts:
+    - family: quattrocento sans
+      source: "bunny"
+    - family: outfit
+      source: "bunny"
+    - family: source code pro
+      source: "bunny"
+  base:
+    family: quattrocento sans
+    size: 18px
+  headings:
+    family: outfit
+    weight: 400
+  monospace: source code pro
+
+defaults:
+  bootstrap:
+    defaults:
+      mermaid-edge-color: "gray"
+    rules: |
+        .slide-deck {
+          border: 3px solid #203C6E;
+          width: 100%;
+          height: 425px;
+        }
+        kbd {
+          padding: .15rem .15rem;
+        }

_extensions/rostools/rostools-theme/_extension.yml

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+title: rostools-theme
+author: Luke W. Johnston
+version: 1.3.1
+quarto-required: ">=1.5.0"
+contributes:
+  shortcodes:
+    - text-snippet.lua
+  format:
+    common:
+      shortcodes:
+        - quarto-ext/fontawesome
+    html:
+      highlight-style: a11y
+      fig-align: center
+      df-print: tibble
+      code-link: true
+      code-overflow: scroll
+      from: markdown+emoji
+      theme:
+        - brand
+        - yeti
+
+    revealjs:
+      embed-resources: true
+      from: markdown+emoji
+      theme:
+        - simple
+        - custom-slides.scss
+      menu: true
+      progress: true
+      logo: favicon.ico
+
+  project:
+    project:
+      type: book
+      execute: project
+
+    book:
+      navbar:
+        logo: "favicon-white.ico"
+        logo-alt: "Graphic of a capital R with a 3 as a superscript."
+        pinned: true
+      search:
+        location: navbar
+        type: textbox
+      favicon: "favicon.ico"
+      repo-branch: main
+      repo-actions: [edit, issue, source]
+
+    csl: vancouver.csl
+
+    reference-location: margin
+    citation-location: margin
+    crossref:
+      chapters: true
+
+    knitr:
+      opts_chunk:
+        R.options:
+          width: 72
+
+    brand: _brand.yml

_extensions/rostools/rostools-theme/_extensions/quarto-ext/fontawesome/_extension.yml

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+title: Font Awesome support
+author: Carlos Scheidegger
+version: 1.2.0
+quarto-required: ">=1.2.269"
+contributes:
+  shortcodes:
+    - fontawesome.lua