db: Have one database per account

src/config/files.h

@@ -55,12 +55,12 @@
 #define DIR_PGP "pgp"
 #define DIR_OMEMO "omemo"
 #define DIR_PLUGINS "plugins"
+#define DIR_DATABASE "database"
 
 void files_create_directories(void);
 
 char* files_get_config_path(char *config_base);
 char* files_get_data_path(char *data_base);
-char* files_get_chatlog_database_path(void);
 
 char* files_get_log_file(char *log_file);
 char* files_get_inputrc_file(void);