[BH-1294] Missing multimedia db

Added missing db schema.

image/user/db/multimedia_001.sql

@@ -0,0 +1,21 @@
+-- Copyright (c) 2017-2021, Mudita Sp. z.o.o. All rights reserved.
+-- For licensing, see https://github.com/mudita/MuditaOS/LICENSE.md
+
+CREATE TABLE IF NOT EXISTS files
+(
+    _id         INTEGER PRIMARY KEY,
+    path        TEXT UNIQUE,    /* filepath */
+    media_type  TEXT,           /* mime type e.g. "audio/mp3" */
+    size        INTEGER,        /* file size in bytes */
+    title       TEXT,           /* song title */
+    artist      TEXT,           /* song artist */
+    album       TEXT,           /* song album */
+    comment     TEXT,           /* comment */
+    genre       TEXT,           /* e.g. "blues, classic rock" */
+    year        INTEGER,        /* year of release */
+    track       INTEGER,        /* track number */
+    song_length INTEGER,        /* length of the song in seconds */
+    bitrate     INTEGER,        /* bitrate of the song in kb/s */
+    sample_rate INTEGER,        /* sample rate of the song in Hz */
+    channels    INTEGER         /* number of channels 1 - mono, 2 - stereo */
+);