scaffold: kind+Tilt cluster, api/ui/docs stubs, green at nvi.local.ar

docs/graphs/README.md

@@ -0,0 +1,7 @@
+# Graphviz sources
+
+Each `.dot` file in this directory is rendered to `.svg` by the docs build
+(`make docs-graphs`). The HTML references the SVGs via `<object>`.
+
+Convention follows eth/unt/mpr: dark background, JetBrains Mono labels,
+accent blue for cluster titles, dim grey for edges.