config/mysql: create database by default, use swaf user with password swaf by default, don't create database in production

config/default.json5

@@ -37,10 +37,10 @@
     mysql: {
         connectionLimit: 10,
         host: "127.0.0.1",
-        user: "root",
-        password: "",
+        user: "swaf",
+        password: "swaf",
         database: "swaf",
-        create_database_automatically: false,
+        create_database_automatically: true,
     },
     redis: {
         host: "127.0.0.1",

config/production.json5

@@ -16,6 +16,9 @@
         secure: true,
         allow_invalid_tls: false,
     },
+    mysql: {
+        create_database_automatically: false,
+    },
     session: {
         cookie: {
             secure: true,

config/test.json5

@@ -3,9 +3,6 @@
         approval_mode: true,
     },
     mysql: {
-        host: "127.0.0.1",
-        user: "root",
-        password: "",
         database: "swaf_test",
         create_database_automatically: true,
     },