Merge branch 'topic/vscode-packaging' into 'master'

Create Makefile target 'vscode-package' for packaging

See merge request eng/ide/ada_language_server!1259

Author: eliericha

Makefile

@@ -61,6 +61,8 @@ else
    EXE=
 endif
 
+VSCE=npx vsce
+
 LIBRARY_FLAGS=-XBUILD_MODE=$(BUILD_MODE)	\
               -XOS=$(OS)			\
               -XLIBRARY_TYPE=$(LIBRARY_TYPE)	\
@@ -147,6 +149,9 @@ vscode-test:
 	# Run the VS Code integration testsuite.
 	cd integration/vscode/ada; LD_LIBRARY_PATH= npm run test
 
+vscode-package:
+	cd integration/vscode/ada; LD_LIBRARY_PATH= $(VSCE) package
+
 check: all
 	set -e; \
         export PYTHON=$(PYTHON); \