Use vscode-arduino-tools VSX.

Ref: arduino/vscode-arduino-tools#14
Signed-off-by: Akos Kitta <kittaakos@typefox.io>

Author: Akos Kitta

electron/build/template-package.json

@@ -137,7 +137,7 @@
   "theiaPluginsDir": "plugins",
   "theiaPlugins": {
     "vscode-builtin-cpp": "https://open-vsx.org/api/vscode/cpp/1.52.1/file/vscode.cpp-1.52.1.vsix",
-    "vscode-arduino-language-server": "https://downloads.arduino.cc/vscode-arduino-language-server/nightly/vscode-arduino-language-server-0.0.1.vsix",
+    "vscode-arduino-tools": "https://downloads.arduino.cc/vscode-arduino-tools/nightly/vscode-arduino-tools-0.0.1-beta.1.vsix",
     "vscode-builtin-json": "https://open-vsx.org/api/vscode/json/1.46.1/file/vscode.json-1.46.1.vsix",
     "vscode-builtin-json-language-features": "https://open-vsx.org/api/vscode/json-language-features/1.46.1/file/vscode.json-language-features-1.46.1.vsix",
     "cortex-debug": "https://open-vsx.org/api/marus25/cortex-debug/0.3.7/file/marus25.cortex-debug-0.3.7.vsix"

package.json

@@ -36,7 +36,7 @@
   "theiaPluginsDir": "plugins",
   "theiaPlugins": {
     "vscode-builtin-cpp": "https://open-vsx.org/api/vscode/cpp/1.52.1/file/vscode.cpp-1.52.1.vsix",
-    "vscode-arduino-language-server": "https://downloads.arduino.cc/vscode-arduino-language-server/nightly/vscode-arduino-language-server-0.0.1.vsix",
+    "vscode-arduino-tools": "https://downloads.arduino.cc/vscode-arduino-tools/nightly/vscode-arduino-tools-0.0.1-beta.1.vsix",
     "vscode-builtin-json": "https://open-vsx.org/api/vscode/json/1.46.1/file/vscode.json-1.46.1.vsix",
     "vscode-builtin-json-language-features": "https://open-vsx.org/api/vscode/json-language-features/1.46.1/file/vscode.json-language-features-1.46.1.vsix",
     "cortex-debug": "https://open-vsx.org/api/marus25/cortex-debug/0.3.7/file/marus25.cortex-debug-0.3.7.vsix"