prepare changes to run kdav through kweb as well (#424)

* prepare changes to run kdav through kweb as well
* add kdav configuration
* add remaining kdav configuration for kweb
* import remaining kweb/php-fpm config from https://stash.kopano.io/projects/PKG/repos/kopano-one-php-fpm/browse

php/Dockerfile

@@ -34,19 +34,17 @@ RUN --mount=type=secret,id=repocred,target=/etc/apt/auth.conf.d/kopano.conf \
     # install
     set -x && \
     apt-get update && apt-get install -y --no-install-recommends \
+        ca-certificates \
+        crudini \
         kopano-kwebd \
         php-fpm \
-        crudini \
-        ca-certificates \
+        php7-mapi \
         ${ADDITIONAL_KOPANO_PACKAGES} \
     && rm -rf /var/cache/apt /var/lib/apt/lists
 
 # configure php-fpm
 RUN \
     mkdir -p /run/php && chown www-data:www-data /run/php && \
-    crudini --set /etc/php/7.3/fpm/php.ini PHP upload_max_filesize 500M && \
-    crudini --set /etc/php/7.3/fpm/php.ini PHP post_max_size 500M && \
-    crudini --set /etc/php/7.3/fpm/php.ini PHP max_input_vars 1800 && \
     crudini --set /etc/php/7.3/fpm/php.ini Session session.save_path /run/sessions
 
 EXPOSE 9080/tcp

php/php-fpm.conf

@@ -1,2 +1,3 @@
+[global]
 ;output errors on stderr
 error_log = /proc/self/fd/2