MAPG-2 Init project MapGuesser

* add composer.json and basic environment
 * add basic classes
 * add basic map with JS and CSS (with demo functionality)
 * add files for docker-compose
 * add launch.json for Docker debug
 * add README

docker/Dockerfile

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+FROM ubuntu:focal
+
+ENV DEBIAN_FRONTEND noninteractive
+
+# Install Apache, PHP and further necessary packages
+RUN apt update
+RUN apt install -y curl git apache2 \
+    php-apcu php-xdebug php7.4-cli php7.4-fpm php7.4-mbstring php7.4-mysql php7.4-zip
+
+# Configure tzdata
+#RUN ln -fs /usr/share/zoneinfo/Europe/Budapest /etc/localtime
+#RUN dpkg-reconfigure --frontend noninteractive tzdata
+
+# Configure Apache with PHP
+RUN mkdir -p /run/php
+RUN a2enmod proxy_fcgi rewrite
+RUN a2enconf php7.4-fpm
+COPY configs/apache.conf /etc/apache2/sites-available/000-default.conf
+RUN echo "xdebug.remote_enable = 1" >> /etc/php/7.4/mods-available/xdebug.ini
+RUN echo "xdebug.remote_autostart = 1" >> /etc/php/7.4/mods-available/xdebug.ini
+RUN echo "xdebug.remote_connect_back = 1" >> /etc/php/7.4/mods-available/xdebug.ini
+
+# Install Composer
+COPY scripts/install-composer.sh install-composer.sh
+RUN ./install-composer.sh
+
+EXPOSE 80
+VOLUME /var/www/mapguesser
+WORKDIR /var/www/mapguesser
+
+ENTRYPOINT /usr/sbin/php-fpm7.4 -F & /usr/sbin/apache2ctl -DFOREGROUND

docker/configs/apache.conf

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+<VirtualHost *:80>
+	ServerName mapguesser-dev.ch
+
+	ServerAdmin webmaster@localhost
+	DocumentRoot /var/www/mapguesser/public
+
+	ErrorLog ${APACHE_LOG_DIR}/error.log
+	CustomLog ${APACHE_LOG_DIR}/access.log combined
+</VirtualHost>
+
+<Directory /var/www/mapguesser/public>
+    Options FollowSymLinks
+    AllowOverride All
+    Require all granted
+</Directory>

docker/scripts/install-composer.sh

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+#!/bin/sh
+
+EXPECTED_CHECKSUM="$(curl -s https://composer.github.io/installer.sig)"
+php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
+ACTUAL_CHECKSUM="$(php -r "echo hash_file('sha384', 'composer-setup.php');")"
+
+if [ "$EXPECTED_CHECKSUM" != "$ACTUAL_CHECKSUM" ]
+then
+    >&2 echo 'ERROR: Invalid installer checksum'
+    rm composer-setup.php
+    exit 1
+fi
+
+php composer-setup.php --install-dir=/usr/local/bin --filename=composer
+RESULT=$?
+rm composer-setup.php
+exit $RESULT