Use service to load sketches

Signed-off-by: jbicker <jan.bicker@typefox.io>

arduino-ide-extension/src/common/protocol/sketches-service.ts

@@ -0,0 +1,13 @@
+import { FileStat } from "@theia/filesystem/lib/common";
+
+export const SketchesServicePath = '/services/sketches-service';
+export const SketchesService = Symbol('SketchesService');
+export interface SketchesService {
+    getSketches(fileStat?: FileStat): Promise<Sketch[]>
+    getSketchFiles(fileStat: FileStat): Promise<string[]>
+}
+
+export interface Sketch {
+    name: string;
+    uri: string
+}