Set up the basic structure and core functionality for the application

Initialize project with UI components, core libraries, and basic app structure.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 556aa286-edd2-4cea-8583-f4fc3cfd119b

.replit

@@ -0,0 +1,32 @@
+modules = ["nodejs-20", "web", "postgresql-16"]
+run = "npm run dev"
+hidden = [".config", ".git", "generated-icon.png", "node_modules", "dist"]
+
+[nix]
+channel = "stable-24_05"
+
+[deployment]
+deploymentTarget = "autoscale"
+build = ["npm", "run", "build"]
+run = ["npm", "run", "start"]
+
+[workflows]
+runButton = "Project"
+
+[[workflows.workflow]]
+name = "Project"
+mode = "parallel"
+author = "agent"
+
+[[workflows.workflow.tasks]]
+task = "workflow.run"
+args = "Start application"
+
+[[workflows.workflow]]
+name = "Start application"
+author = "agent"
+
+[[workflows.workflow.tasks]]
+task = "shell.exec"
+args = "npm run dev"
+waitForPort = 5000