move auto generate documentation to documentation/api folder

start to create a new file for insertion in database
add locale column to lang table

install/insert.sql

@@ -0,0 +1,5 @@
+INSERT INTO `lang`(`id`,`title`,`code`,`locale`,`url`,`by_default`,`created_at`,`updated_at`)VALUES
+(1, 'Français', 'fr', 'fr_FR', '','1', NOW(), NOW()),
+(2, 'English', 'en', 'en_EN', '', '0', NOW(), NOW()),
+(3, 'Espanol', 'es', 'es_ES', '', '0', NOW(), NOW()),
+(4, 'Italiano', 'it', 'it_IT', '','0', NOW(), NOW());