use config for db_file

Author: collinalexbell

config.yaml

@@ -1,2 +1,3 @@
+database_file: './db/matrix.db'
 #menu_program: 'rofi -show drun'
 menu_program: dmenu_run

src/entity.cpp

@@ -1,10 +1,13 @@
 #include "entity.h"
 #include "SQLiteCpp/Database.h"
 #include "persister.h"
+#include "Config.h"
 #include <iostream>
 
 EntityRegistry::EntityRegistry() {
-  db = std::make_shared<SQLite::Database>("./db/matrix.db",
+
+  auto dbFile = Config::singleton()->get<std::string>("database_file");
+  db = std::make_shared<SQLite::Database>(dbFile,
                                           SQLite::OPEN_READWRITE | SQLite::OPEN_CREATE);
 }