Moved around more code. Implemented more sqlc. Added support to generate swagger.

Added support for profiling. Removed the pkg module altogether.
Everything except old sync is now using code generated by sqlc.

internal/db/queries/song.sql

@@ -0,0 +1,41 @@
+-- name: ClearSongs :exec
+DELETE FROM song;
+
+-- name: ClearSongsByGameId :exec
+DELETE FROM song WHERE game_id = $1;
+
+-- name: AddSong :exec
+INSERT INTO song(game_id, song_name, path, file_name, hash) VALUES ($1, $2, $3, $4, $5);
+
+-- name: CheckSong :one
+SELECT COUNT(*) FROM song WHERE path = $1;
+
+-- name: CheckSongWithHash :one
+SELECT COUNT(*) FROM song WHERE hash = $1;
+
+-- name: GetSongWithHash :one
+SELECT * FROM song WHERE hash = $1;
+
+-- name: UpdateSong :exec
+UPDATE song SET song_name=$1, file_name=$2, path=$3 where hash=$4;
+
+-- name: AddHashToSong :exec
+UPDATE song SET hash=$1 where path=$2;
+
+-- name: FindSongsFromGame :many
+SELECT *
+FROM song
+WHERE game_id = $1;
+
+-- name: AddSongPlayed :exec
+UPDATE song SET times_played = times_played + 1
+WHERE game_id = $1 AND song_name = $2;
+
+-- name: FetchAllSongs :many
+SELECT * FROM song;
+
+-- name: RemoveBrokenSong :exec
+DELETE FROM song WHERE path = $1;
+
+-- name: RemoveBrokenSongs :exec
+DELETE FROM song where path = any (sqlc.slice('paths'));