Install more PHP modules by default

Signed-off-by: Lukas Reschke <lukas@statuscode.ch>

.devcontainer/Dockerfile

@@ -15,6 +15,11 @@ RUN apt-get install --no-install-recommends -y \
     php7.4-xdebug \
     php7.4-pgsql \
     php7.4-intl \
+    php7.4-imagick \
+    php7.4-gmp \
+    php7.4-acpu \
+    php7.4-bcmath \
+    libmagickcore-6.q16-3-extra \
     curl \
     vim \
     lsof

.devcontainer/codespace.config.php

@@ -8,7 +8,8 @@ $CONFIG = [
     'mail_sendmailmode' => 'smtp',
     'mail_domain' => 'example.com',
     'mail_smtphost' => 'localhost',
-    'mail_smtpport' => '1025'
+    'mail_smtpport' => '1025',
+    'memcache.local' => '\OC\Memcache\APCu',
 ];
 
 if($cloudEnvironmentId !== true) {