feat: bootstrap vela UI and gateway workspace

Establish the monorepo, tooling, and starter apps so UI and gateway development can begin from a documented, runnable baseline.

apps/vela-ui/jsconfig.json

@@ -0,0 +1,11 @@
+{
+	"compilerOptions": {
+		"module": "esnext",
+		"moduleResolution": "bundler",
+		"target": "esnext",
+		"strict": true,
+		"sourceMap": true,
+		"types": ["svelte"]
+	},
+	"extends": "./.svelte-kit/tsconfig.json"
+}