Add npm scripts for publishing

Author: prantlf

package.json

@@ -60,7 +60,9 @@
     "syntax-highlighting"
   ],
   "scripts": {
-    "vscode:prepublish": "jsonlint -Dq language-configuration.json package.json syntaxes/oscript.tmLanguage.json"
+    "vscode:prepublish": "jsonlint -Dq language-configuration.json package.json syntaxes/oscript.tmLanguage.json",
+    "vsce:patch": "vsce publish --baseImagesUrl https://raw.githubusercontent.com/prantlf/vscode-oscript/master/ patch",
+    "vsce:minor": "vsce publish --baseImagesUrl https://raw.githubusercontent.com/prantlf/vscode-oscript/master/ minor"
   },
   "devDependencies": {
     "@prantlf/jsonlint": "10.2.0"