Initial commit: base slice (auth, roles, users, admin) scaffold

Backend: .NET 10 Clean Architecture + LiteCqrs.Net + EF Core/PostgreSQL +
Identity/JWT. Frontend: React 19 + Vite + TanStack Query/Router + Tailwind v4
with a retro CRT theme. Docker/compose deployment mirroring PnvPanel's
conventions, scoped down to the current base feature set.

backend/src/TeleWave.Api/appsettings.json

@@ -0,0 +1,29 @@
+{
+  "ConnectionStrings": {
+    "Default": "Host=localhost;Port=5432;Database=telewave;Username=telewave;Password=telewave"
+  },
+  "Jwt": {
+    "Issuer": "TeleWave",
+    "Audience": "TeleWave",
+    "SigningKey": "change-me-min-32-chars-random-secret",
+    "AccessTokenMinutes": 15,
+    "RefreshTokenDays": 30
+  },
+  "AdminSeed": {
+    "Username": "",
+    "Password": ""
+  },
+  "Serilog": {
+    "Using": [ "Serilog.Sinks.Console" ],
+    "MinimumLevel": {
+      "Default": "Information",
+      "Override": {
+        "Microsoft.AspNetCore": "Warning",
+        "Microsoft.EntityFrameworkCore": "Warning"
+      }
+    },
+    "WriteTo": [ { "Name": "Console" } ],
+    "Enrich": [ "FromLogContext" ]
+  },
+  "AllowedHosts": "*"
+}