refactor(client): deduplicate app info type

packages/commons/src/lib/server_api.ts

@@ -0,0 +1,12 @@
+export interface AppInfo {
+    appVersion: string;
+    dbVersion: number;
+    nodeVersion: string;
+    syncVersion: number;
+    buildDate: string;
+    buildRevision: string;
+    dataDirectory: string;
+    clipperProtocolVersion: string;
+    /** for timezone inference */
+    utcDateTime: string;
+}