Add MariaDB support (#156)

* Fixed startup db check

* Relation tables are created automatically for IGDB metadata

* Removed JSON dependency from filters

* Removed JSON searches from Game library queries

* Gaseous now runs without error on MariaDB

* Fixed static database name bug

* Updated docker files and README

gaseous-tools/Database/MySQL/gaseous-1004.sql

@@ -8,4 +8,32 @@ CREATE TABLE `GameLibraries` (
 );
 
 ALTER TABLE `Games_Roms` 
-ADD COLUMN `LibraryId` INT NULL DEFAULT 0 AFTER `MetadataVersion`;
+ADD COLUMN `LibraryId` INT NULL DEFAULT 0 AFTER `MetadataVersion`;
+
+CREATE TABLE `Relation_Game_Genres` (
+  `GameId` BIGINT NOT NULL,
+  `GenresId` BIGINT NOT NULL,
+  PRIMARY KEY (`GameId`, `GenresId`),
+  INDEX `idx_PrimaryColumn` (`GameId` ASC) VISIBLE
+);
+
+CREATE TABLE `Relation_Game_GameModes` (
+  `GameId` BIGINT NOT NULL,
+  `GameModesId` BIGINT NOT NULL,
+  PRIMARY KEY (`GameId`, `GameModesId`),
+  INDEX `idx_PrimaryColumn` (`GameId` ASC) VISIBLE
+);
+
+CREATE TABLE `Relation_Game_PlayerPerspectives` (
+  `GameId` BIGINT NOT NULL,
+  `PlayerPerspectivesId` BIGINT NOT NULL,
+  PRIMARY KEY (`GameId`, `PlayerPerspectivesId`),
+  INDEX `idx_PrimaryColumn` (`GameId` ASC) VISIBLE
+);
+
+CREATE TABLE `Relation_Game_Themes` (
+  `GameId` BIGINT NOT NULL,
+  `ThemesId` BIGINT NOT NULL,
+  PRIMARY KEY (`GameId`, `ThemesId`),
+  INDEX `idx_PrimaryColumn` (`GameId` ASC) VISIBLE
+);