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.

.gitignore

@@ -0,0 +1,79 @@
+# ---> VisualStudioCode
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+!.vscode/*.code-snippets
+
+# Local History for Visual Studio Code
+.history/
+
+# Built Visual Studio Code Extensions
+*.vsix
+
+# ---> VisualStudio
+# User-specific files
+*.rsuser
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# Mono auto generated files
+mono_crash.*
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+[Ww][Ii][Nn]32/
+[Aa][Rr][Mm]/
+[Aa][Rr][Mm]64/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+[Ll]ogs/
+
+.vs/
+
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+*.VisualState.xml
+TestResult.xml
+nunit-*.xml
+
+BenchmarkDotNet.Artifacts/
+
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+*.pdb
+*.log
+*.tlog
+
+# NuGet Packages
+*.nupkg
+*.snupkg
+**/[Pp]ackages/*
+!**/[Pp]ackages/build/
+
+# Others
+*.pfx
+*.publishsettings
+
+# Node
+node_modules/
+dist/
+dist-ssr/
+
+# Local environment files (secrets) — keep .env.example, ignore real .env
+.env
+.env.local
+.env.*.local