Allow any rotation in web app

Fixes #154.

package.json

@@ -1,6 +1,6 @@
 {
     "name": "fwdekker.com",
-    "version": "0.39.6",
+    "version": "0.39.7",
     "description": "The source code of [my personal website](https://fwdekker.com/).",
     "author": "Felix W. Dekker",
     "browser": "dist/bundle.js",

src/main/manifest.json

@@ -4,7 +4,7 @@
     "start_url": "index.html",
     "scope": "/",
     "display": "standalone",
-    "orientation": "portrait",
+    "orientation": "any",
     "theme_color": "#0033cc",
     "background_color": "#000000",
     "description": "Felix W. Dekker's personal website",