Fix version number and ignore .env files.

Author: ignaciogros

.dockerignore

@@ -11,3 +11,5 @@ package.json
 package-lock.json
 *.md
 IDEAS*.md
+.env
+.env.dist

js/app.js

@@ -9,7 +9,7 @@
     // Configuration defaults — override via js/config.js (window.exeViewerConfig)
     const config = Object.assign({
         // Application version (displayed in footer)
-        version: 'v4.0.0-rc1',
+        version: '4.0.0-rc1',
         // Automatically restore and display content from IndexedDB on page load
         autoRestoreContent: true,
         // Open external links in a new window/tab (prevents navigation issues in iframes)

package.json

@@ -1,6 +1,6 @@
 {
     "name": "exeviewer",
-    "version": "v4.0.0-rc1",
+    "version": "4.0.0-rc1",
     "description": "A web application to view eXeLearning content packages (.zip/.elpx)",
     "main": "server.js",
     "type": "module",