Adds source list.

src/App.tsx

@@ -3,6 +3,7 @@ import "./App.css";
 import { Equipment } from "./components/Equipment";
 import { reducer, withLoadingAction } from "./lib/state";
 import type { ItemId } from "./lib/types";
+import { SourceList } from "./components/SourceList";
 
 function App() {
   const [state, dispatch] = useReducer(withLoadingAction(reducer), "loading");
@@ -44,6 +45,7 @@ function App() {
         onEquip={(item) => dispatch({ action: "equipItem", item })}
         onUnequip={(item) => dispatch({ action: "unequipItem", item })}
       />
+      <SourceList state={state} />
     </>
   );
 }