Makes SQL scripts compatible with MySQL 8

Minor changes have been done in the SQL scripts to make them
compatible with MySQL 8. The main change is the way that the user is
created.

db/mysql-with-inserts.sql

@@ -5,16 +5,17 @@ CREATE TABLE `daaexample`.`people` (
 	`name` varchar(50) NOT NULL,
 	`surname` varchar(100) NOT NULL,
 	PRIMARY KEY (`id`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 
 CREATE TABLE `daaexample`.`users` (
 	`login` varchar(100) NOT NULL,
 	`password` varchar(64) NOT NULL,
 	`role` varchar(10) NOT NULL,
 	PRIMARY KEY (`login`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 
-GRANT ALL ON `daaexample`.* TO 'daa'@'localhost' IDENTIFIED BY 'daa';
+CREATE USER 'daa'@'localhost' IDENTIFIED BY 'daa';
+GRANT ALL ON `daaexample`.* TO 'daa'@'localhost';
 
 INSERT INTO `daaexample`.`people` (`id`,`name`,`surname`) VALUES (0,'Antón','Pérez');
 INSERT INTO `daaexample`.`people` (`id`,`name`,`surname`) VALUES (0,'Manuel','Martínez');

db/mysql.sql

@@ -5,13 +5,14 @@ CREATE TABLE `daaexample`.`people` (
 	`name` varchar(50) NOT NULL,
 	`surname` varchar(100) NOT NULL,
 	PRIMARY KEY (`id`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 
 CREATE TABLE `daaexample`.`users` (
 	`login` varchar(100) NOT NULL,
 	`password` varchar(64) NOT NULL,
 	`role` varchar(10) NOT NULL,
 	PRIMARY KEY (`login`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 
-GRANT ALL ON `daaexample`.* TO 'daa'@'localhost' IDENTIFIED BY 'daa';
+CREATE USER 'daa'@'localhost' IDENTIFIED BY 'daa';
+GRANT ALL ON `daaexample`.* TO 'daa'@'localhost';

src/main/angular/package-lock.json

 {
   "name": "daa-example",
-  "version": "0.2.0-alpha.9",
+  "version": "0.2.0-alpha.11",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

src/main/angular/package.json

 {
   "name": "daa-example",
-  "version": "0.2.0-alpha.9",
+  "version": "0.2.0-alpha.11",
   "scripts": {
     "ng": "./node_modules/.bin/ng",
     "start": "./node_modules/.bin/ng serve",