Add interface package. Start adding auth stuff for refreshing tokens.

app/tsconfig.json

@@ -0,0 +1,13 @@
+{
+	"compilerOptions": {
+		"target": "ES2020",
+		"module": "ESNext",
+		"moduleResolution": "bundler",
+		"noEmit": true,
+		"allowJs": true,
+		"checkJs": true,
+		"jsx": "react-jsx",
+		"jsxImportSource": "preact"
+	},
+	"include": ["node_modules/vite/client.d.ts", "**/*"]
+}