docs: readme with config template

README.md

@@ -1,7 +1,46 @@
-# Theme Name
+<div align="center" style="padding: 20px;">
+  <img src="./docs/media/thunderball.jpeg" alt="Thunderball" width="80%" style="padding-bottom: 15px">
+  <h1 style="padding-top: 15px">Thunderball</h1>
+</div>
 
-## Features
+### Configuration
 
-## Installation
+```yaml
+baseURL: https://example.com/
+title: Example
+language: en-GB
 
-## Configuration
+params:
+  contacts:
+    - name: email
+      url: mailto:hello@example.org
+      display: hello@example.org
+    - name: matrix
+      url: https://matrix.to/#/@hello:example.org
+      display: "@hello:example.org"
+    # ...
+
+  others:
+    - name: .onion
+      url: http://exampledkoip1xka89xmlawooedj.onion
+      display: example...awooedj.onion
+    # ...
+
+  services:
+    - name: blog
+      url: /blog
+    # ...
+
+  assets:
+    favicon: favicon.ico
+    favicon16: favicon-16x16.png
+    favicon32: favicon-32x32.png
+    appleTouchIcon: apple-touch-icon.png
+    safariPinnedTabIcon: safari-pinned-tab.svg
+    safariPinnedTabColor: "#0a0a0a"
+    manifest: manifest.json
+    msTileColor: "#0a0a0a"
+    msTileIcon: mstile-150x150.png
+    themeColor: "#0a0a0a"
+    logo: logo.svg
+```