[node] begin the great typescript rewrite

nodejs/model/cargo.ts

@@ -0,0 +1,17 @@
+export type Inventory = {
+	description: string;
+	name: string;
+	symbol: string;
+	units: number;
+};
+
+export type Cargo = {
+	"capacity": number;
+	"units": number;
+	"inventory": Array<Inventory>;
+};
+
+// Custom type, not from space traders api
+export type CargoManifest = {
+	[key: string]: number;
+};