Added a new sync that uses hash

Added a new sync that uses hash and sqlc for the queries. Added db
migration. Started adding a config file.

db/repository/models.go

@@ -0,0 +1,47 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.27.0
+
+package repository
+
+import (
+	"time"
+)
+
+type Game struct {
+	ID            int32      `json:"id"`
+	GameName      string     `json:"game_name"`
+	Added         time.Time  `json:"added"`
+	Deleted       *time.Time `json:"deleted"`
+	LastChanged   *time.Time `json:"last_changed"`
+	Path          string     `json:"path"`
+	TimesPlayed   *int32     `json:"times_played"`
+	LastPlayed    *time.Time `json:"last_played"`
+	NumberOfSongs int32      `json:"number_of_songs"`
+	Hash          string     `json:"hash"`
+}
+
+type Song struct {
+	GameID      int32   `json:"game_id"`
+	SongName    string  `json:"song_name"`
+	Path        string  `json:"path"`
+	TimesPlayed *int32  `json:"times_played"`
+	Hash        string  `json:"hash"`
+	FileName    *string `json:"file_name"`
+}
+
+type SongList struct {
+	MatchDate time.Time `json:"match_date"`
+	MatchID   int32     `json:"match_id"`
+	SongNo    int32     `json:"song_no"`
+	GameName  *string   `json:"game_name"`
+	SongName  *string   `json:"song_name"`
+}
+
+type Vgmq struct {
+	SongNo   int32   `json:"song_no"`
+	Path     *string `json:"path"`
+	Clue     *string `json:"clue"`
+	Answered bool    `json:"answered"`
+	Answer   *string `json:"answer"`
+}