refactor(electron): enable web security and disable running insecure content

Author: Madman10K

src/frontend/index/install.nim

@@ -34,6 +34,8 @@ proc createInstallSubwindow*(): js =
       "webPreferences": js{
         "nodeIntegration": true,
         "contextIsolation": false,
+        "webSecurity": true,
+        "allowRunningInsecureContent": false,
         "spellcheck": false
       },
       "frame": false,

src/frontend/index/window.nim

@@ -79,6 +79,8 @@ proc createMainWindow*: js =
       "webPreferences": js{
         "nodeIntegration": true,
         "contextIsolation": false,
+        "webSecurity": true,
+        "allowRunningInsecureContent": false,
         "spellcheck": false
       },
     }