update gitignore, add linux launch script

.gitignore

@@ -1,2 +1,9 @@
 **/.idea
 db/data
+
+game/data/global_kill_stats.json
+game/data/eco/grandexchange.db
+
+game/data/logs/
+game/data/players/
+game/data/serverstore/

launch.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+
+export _JAVA_OPTIONS=
+SCRIPT_DIR=$(cd -- "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P)
+
+lsof -i:43595
+
+if [ $? -ne 1 ]; then
+  echo "Something is already listening on port 43595. Cannot start the server."
+  exit
+fi
+
+cd $SCRIPT_DIR/game
+java -jar -Xmx2G -Xms2G -jar server.jar &
+SERVER_PID=$!
+
+lsof -i:43595
+while [ $? -eq 1 ]; do
+  lsof -i:43595
+  echo "Still waiting for the server to start..."
+  sleep 2
+done;
+
+java -Xmx1G -Xms1G -jar client.jar &
+CLIENT_PID=$!
+
+wait $CLIENT_PID
+kill $SERVER_PID
+exit
+