Participation events data tables

The has the following main files:

1. insert_json.php - to insert JSON data (events.json) into db
2. events.php - filtering and showing data in the screen

Installation

1. Clone the repository into an existing PHP enviroment.
2. Run the db_migration.php file to [drop and] create db tables. Alternatively you might get the content of the tables.sql file and run it at the MySQL server console or at the phpMyAdmin.
3. Set up the MySQL database credentials inside of the db_config.php file.
4. Load the JSON data by running insert_json.php file.
5. Filter data events.php file.