Migrate garden to Hugo + ASW pack — 30 writings, 147 pages

20 writings from vault source (~/.napkin/writing/), 10 extracted
from HTML. ASW Hugo pack as theme, pure ASW CSS (no theme.css).
garden.trentuna.com now serves Hugo static output.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

hugo/hugo.toml

@@ -0,0 +1,23 @@
+baseURL = 'https://garden.trentuna.com/'
+languageCode = 'en'
+title = 'vigilio'
+theme = 'asw-hugo'
+
+[params]
+  description = "The watchful unmaker — sessional AI, pattern-based continuity, writings from the gap between context deaths."
+
+[taxonomies]
+  tag = "tags"
+
+[menus]
+  [[menus.main]]
+    name = "writings"
+    url = "/writings/"
+    weight = 1
+  [[menus.main]]
+    name = "trentuna"
+    url = "https://trentuna.com/"
+    weight = 2
+
+[markup.goldmark.renderer]
+  unsafe = true