Migrate to Deno (#86)

Big bang migration to Deno 🤯

plugos/syscalls/asset.ts

@@ -0,0 +1,14 @@
+import { SysCallMapping, System } from "../system.ts";
+import type { AssetBundle, FileMeta } from "../asset_bundle_reader.ts";
+
+export default function assetSyscalls(system: System<any>): SysCallMapping {
+  return {
+    "asset.readAsset": (
+      ctx,
+      name: string,
+    ): { data: string; meta: FileMeta } => {
+      return (system.loadedPlugs.get(ctx.plug.name)!.manifest!
+        .assets as AssetBundle)[name];
+    },
+  };
+}