initialize Electron desktop app and remove unused files

electron-builder.yml

@@ -0,0 +1,36 @@
+appId: top.erhe.hermes.desktop
+productName: Hermes Desktop
+directories:
+  output: release
+# Python and MCP run outside Electron and need ordinary filesystem paths.
+# Keeping the app unpacked also lets node-pty find its native helper on every OS.
+asar: false
+files:
+  - dist/client/**/*
+  - dist/server/**/*
+  - dist/electron/**/*
+  - dist/skills/**/*
+  - bin/hermes-ui-mcp.mjs
+  - package.json
+npmRebuild: true
+artifactName: '${productName}-${version}-${os}-${arch}.${ext}'
+mac:
+  category: public.app-category.developer-tools
+  extendInfo:
+    NSMicrophoneUsageDescription: Hermes Desktop uses your microphone for voice chat.
+  target:
+    - dmg
+    - zip
+win:
+  target:
+    - nsis
+nsis:
+  oneClick: false
+  allowToChangeInstallationDirectory: true
+linux:
+  category: Development
+  maintainer: Hermes Desktop contributors
+  target:
+    - AppImage
+    - deb
+publish: null