chore: repo scaffolding — global.json, gitignore, editorconfig

.editorconfig

@@ -0,0 +1,14 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = space
+
+[*.{cs,csproj,sln,json}]
+indent_size = 4
+
+[*.{md,yml,yaml}]
+indent_size = 2

.gitignore

@@ -0,0 +1,29 @@
+# .NET
+bin/
+obj/
+*.user
+*.suo
+.vs/
+.idea/
+
+# SQLite & runtime state
+*.db
+*.db-journal
+*.db-wal
+*.db-shm
+/state/
+/var/
+
+# Node (for later frontend plan)
+node_modules/
+dist/
+.pnpm-store/
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Editor
+.vscode/*
+!.vscode/launch.json
+!.vscode/tasks.json

README.md

@@ -1,2 +1,13 @@
 # VolcanicCore
 
+Self-hosted NATS routing system. See `docs/superpowers/specs/2026-08-27-volcaniccore-design.md` for the design.
+
+## Building
+
+```bash
+dotnet build
+dotnet test
+dotnet run --project src/VolcanicCore.Api
+```
+
+Set `ADMIN_PASSWORD` and `SESSION_SECRET` before running.

global.json

@@ -0,0 +1,6 @@
+{
+  "sdk": {
+    "version": "9.0.100",
+    "rollForward": "latestFeature"
+  }
+}