chore(env): Update .env.example with default values and DotCMS API configuration

- Set APP_KEY to a base64 value for easier setup.
- Changed DB_CONNECTION to null and updated SESSION_DRIVER and CACHE_STORE to array.
- Added DotCMS API configuration placeholders for HOST and TOKEN.

Author: fmontes

examples/dotcms-laravel/.env.example

@@ -1,6 +1,6 @@
 APP_NAME=Laravel
 APP_ENV=local
-APP_KEY=
+APP_KEY=base64:xxz1HhrjuN0ARiXHIW7MIP9UUMkWIq0Ovsiroi7AFPY=
 APP_DEBUG=true
 APP_URL=http://localhost
 
@@ -20,14 +20,16 @@ LOG_STACK=single
 LOG_DEPRECATIONS_CHANNEL=null
 LOG_LEVEL=debug
 
-DB_CONNECTION=pgsql
+# DB_CONNECTION=pgsql
+DB_CONNECTION=null
 DB_HOST=127.0.0.1
 DB_PORT=5432
 DB_DATABASE=dotcms_laravel
 DB_USERNAME=root
 DB_PASSWORD=
 
-SESSION_DRIVER=database
+SESSION_DRIVER=array
+# SESSION_DRIVER=database
 SESSION_LIFETIME=120
 SESSION_ENCRYPT=false
 SESSION_PATH=/
@@ -37,7 +39,8 @@ BROADCAST_CONNECTION=log
 FILESYSTEM_DISK=local
 QUEUE_CONNECTION=database
 
-CACHE_STORE=database
+CACHE_STORE=array
+# CACHE_STORE=null
 # CACHE_PREFIX=
 
 MEMCACHED_HOST=127.0.0.1
@@ -63,3 +66,7 @@ AWS_BUCKET=
 AWS_USE_PATH_STYLE_ENDPOINT=false
 
 VITE_APP_NAME="${APP_NAME}"
+
+# DotCMS API Configuration
+DOTCMS_HOST=your-dotcms-instance-url
+DOTCMS_API_TOKEN=your-dotcms-instance-token