feat: Add initial deployment setup for OTSSignsOrchestrator

- Create index.html for the web application interface.
- Implement deploy.sh script for building and deploying the application to a Docker Swarm manager.
- Add docker-compose.yml for defining application and PostgreSQL service configurations.

.gitignore

@@ -1,12 +1,14 @@
-# .gitignore for C#/.NET projects on macOS
+# .gitignore for ASP.NET Core + React (Vite) project on macOS
 # Generated for Visual Studio, Rider, and dotnet CLI workflows
 
-# Visual Studio
+# Visual Studio & Rider
 .vs/
+.idea/
 *.suo
 *.user
 *.userosscache
 *.sln.docstates
+*.DotSettings.user
 
 # Build results
 [Bb]in/
@@ -15,19 +17,15 @@ build/
 publish/
 artifacts/
 
-# Rider
-.idea/
-
 # Resharper
 _ReSharper*/
-*.DotSettings.user
 
 # NuGet
 *.nupkg
 packages/
 project.lock.json
 
-# Dotnet
+# Dotnet & EF Core
 *.db
 *.db-journal
 secrets.json
@@ -36,6 +34,8 @@ dotnet_user_secrets
 # Logs
 *.log
 TestResults/
+coverage/
+*.trx
 
 # OS generated files
 .DS_Store
@@ -51,9 +51,23 @@ Icon
 *~
 *.tmp
 
+# Node/React Frontend (Vite)
+OTSSignsOrchestrator/ClientApp/node_modules/
+OTSSignsOrchestrator/ClientApp/dist/
+OTSSignsOrchestrator/ClientApp/.env.local
+OTSSignsOrchestrator/ClientApp/.env.*.local
+OTSSignsOrchestrator/ClientApp/npm-debug.log*
+OTSSignsOrchestrator/ClientApp/yarn-debug.log*
+OTSSignsOrchestrator/ClientApp/yarn-error.log*
+
 # Docker
 docker-compose.override.yml
 
-# Ignore appsettings development files (if you keep secrets locally)
+# Configuration & Secrets
 appsettings.Development.json
-.template-cache/
+.template-cache/
+.env
+*.env
+
+# Application-specific
+logs/