Swoole: Enable PHP opcache for cli (#3810)

* PHP optimising

* Swoole: Enable PHP opcache for cli

* Correct directory for the docker PHP image

frameworks/PHP/swoole/php.ini

@@ -0,0 +1,2 @@
+opcache.enable_cli=1
+opcache.validate_timestamps=0

frameworks/PHP/swoole/swoole.dockerfile

@@ -11,6 +11,7 @@ RUN docker-php-ext-install pdo_mysql > /dev/null
 
 WORKDIR /swoole
 COPY swoole-server.php swoole-server.php
+COPY php.ini /usr/local/etc/php/
 
 CMD sed -i 's|NUMCORES|'"$(nproc)"'|g' swoole-server.php && \
     php swoole-server.php