feat(samples): init httpaste.it sample

samples/httpaste.it/httpd/Dockerfile

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+FROM httpd:2.4
+
+RUN apt-get update -y && apt-get install -y libapache2-mod-proxy-uwsgi

samples/httpaste.it/httpd/httpd.conf

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+
+ServerRoot "/usr/local/apache2"
+
+Listen 0.0.0.0:80
+
+LoadModule mpm_event_module modules/mod_mpm_event.so
+LoadModule authn_core_module modules/mod_authn_core.so
+LoadModule authz_core_module modules/mod_authz_core.so
+#LoadModule brotli_module modules/mod_brotli.so
+LoadModule mime_module modules/mod_mime.so
+LoadModule log_config_module modules/mod_log_config.so
+#LoadModule log_debug_module modules/mod_log_debug.so
+#LoadModule log_forensic_module modules/mod_log_forensic.so
+LoadModule env_module modules/mod_env.so
+LoadModule proxy_module modules/mod_proxy.so
+LoadModule proxy_uwsgi_module modules/mod_proxy_uwsgi.so
+LoadModule unixd_module modules/mod_unixd.so
+
+<IfModule unixd_module>
+    User www-data
+    Group www-data
+</IfModule>
+
+ServerAdmin you@example.com
+
+
+ErrorLog /proc/self/fd/2
+
+LogLevel warn
+
+<IfModule log_config_module>
+    LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combined
+    LogFormat "%h %l %u %t \"%r\" %>s %b" common
+
+    <IfModule logio_module>
+      # You need to enable mod_logio.c to use %I and %O
+      LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\" %I %O" combinedio
+    </IfModule>
+
+    CustomLog /proc/self/fd/1 common
+</IfModule>
+
+<IfModule ssl_module>
+    SSLRandomSeed startup builtin
+    SSLRandomSeed connect builtin
+</IfModule>
+
+ServerName 127.0.0.1
+
+<VirtualHost 0.0.0.0:80>
+    #ProxyPreserveHost On
+    SetEnv proxy-sendchunks
+
+    ProxyPass "/" "unix:/shared/uwsgi.sock|uwsgi://localhost/"
+</VirtualHost>