feat(db): add diesel and sqlite3 as dependencies

migrations/2021-03-02-025744_create_game_save_loc_table/down.sql

@@ -0,0 +1,2 @@
+-- This file should undo anything in `up.sql`
+DROP TABLE game_save_location

migrations/2021-03-02-025744_create_game_save_loc_table/up.sql

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+-- Your SQL goes here
+CREATE TABLE game_save_location (
+    id INTEGER PRIMARY KEY,
+    friendly_name TEXT -- This can be null
+    original_PATH BLOB NOT NULL,
+    uuid BLOB NOT NULL
+)