add fs and notifications to stdlib

runtime/index.d.ts

@@ -1,14 +1,25 @@
 declare global {
     interface Window {
+        // internal
         __TIRAMISU_INTERNAL_invoke: (name: string, ...args: any[]) => Promise<any>;
-        __TIRAMISU_INTERNAL_readFile: (path: string) => Promise<string>;
-        __TIRAMISU_INTERNAL_readDir: (path: string) => Promise<string[]>;
+
+        // filesystem
+        __TIRAMISU_FILESYSTEM_readFile: (path: string) => Promise<string>;
+        __TIRAMISU_FILESYSTEM_readDir: (path: string) => Promise<string[]>;
+        __TIRAMISU_INTERNAL_exists: (path: string) => Promise<boolean>;
+
+        // notifications
+        __TIRAMISU_NOTIFICATIONS_notify: (message: string, ico?: string) => Promise<void>;
 
         tiramisu: {
             invoke: (name: string, ...args: any[]) => Promise<any>;
             fs: {
                 readFile(path: string): Promise<string>;
                 readDir(path: string): Promise<string[]>;
+                exists(path: string): Promise<boolean>;
+            },
+            notifications: {
+                notify(message: string, ico?: string): Promise<void>;
             }
         };
     }

runtime/preload.ts

@@ -1,9 +1,13 @@
 const tiramisu = {
     invoke: window.__TIRAMISU_INTERNAL_invoke,
     fs: {
-        readFile: window.__TIRAMISU_INTERNAL_readFile,
-        readDir: window.__TIRAMISU_INTERNAL_readDir
-    }
+        readFile: window.__TIRAMISU_FILESYSTEM_readFile,
+        readDir: window.__TIRAMISU_FILESYSTEM_readDir,
+        exists: window.__TIRAMISU_INTERNAL_exists,
+    },
+    notifications: {
+        notify: window.__TIRAMISU_NOTIFICATIONS_notify,
+    },
 }
 
 window.tiramisu = tiramisu