Up version to 0.39.0 & prepare pre-release script (#1144)

Author: testforstephen

package-lock.json

@@ -2,7 +2,7 @@
   "name": "vscode-java-debug",
   "displayName": "Debugger for Java",
   "description": "A lightweight Java debugger for Visual Studio Code",
-  "version": "0.38.0",
+  "version": "0.39.0",
   "publisher": "vscjava",
   "preview": true,
   "aiKey": "67d4461e-ccba-418e-8082-1bd0acfe8516",
@@ -54,7 +54,7 @@
       }
     ],
     "javaExtensions": [
-      "./server/com.microsoft.java.debug.plugin-0.35.0.jar"
+      "./server/com.microsoft.java.debug.plugin-0.36.0.jar"
     ],
     "commands": [
       {

package.json

@@ -0,0 +1,25 @@
+const fs = require("fs");
+
+const json = JSON.parse(fs.readFileSync("./package.json").toString());
+const stableVersion = json.version.match(/(\d+)\.(\d+)\.(\d+)/);
+const major = stableVersion[1];
+const minor = stableVersion[2];
+
+function prependZero(number) {
+    if (number > 99) {
+        throw "Unexpected value to prepend with zero";
+    }
+    return `${number < 10 ? "0" : ""}${number}`;
+}
+
+const date = new Date();
+const month = date.getMonth() + 1;
+const day = date.getDate();
+const hours = date.getHours();
+patch = `${date.getFullYear()}${prependZero(month)}${prependZero(day)}${prependZero(hours)}`;
+
+const insiderPackageJson = Object.assign(json, {
+    version: `${major}.${minor}.${patch}`,
+});
+
+fs.writeFileSync("./package.json", JSON.stringify(insiderPackageJson, null, 2));