* VRFS-21; bootstrapping genre values and also associating with sessions

manifest

@@ -3,3 +3,5 @@ users.sql
 sessions_api_v1.sql
 users_v1.sql
 p2p.sql
+collapse_participants.sql
+genre_session.sql

up/genre_session.sql

@@ -0,0 +1,27 @@
+-- sessions -> genre mapping
+CREATE TABLE genres_music_sessions (
+    id VARCHAR(64) PRIMARY KEY DEFAULT uuid_generate_v4(),
+    genre_id VARCHAR(64) REFERENCES genres(id) ON DELETE CASCADE,
+    music_session_id VARCHAR(64) REFERENCES music_sessions(id) ON DELETE CASCADE
+);
+
+INSERT INTO genres (description) VALUES 
+    ('African'),
+    ('Ambient'),
+    ('Asian'),
+    ('Blues'),
+    ('Classical'),
+    ('Country'),
+    ('Electronic'),
+    ('Folk'),
+    ('Hip Hop'),
+    ('Jazz'),
+    ('Latin'),
+    ('Metal'),
+    ('Pop'),
+    ('R&B'),
+    ('Reggae'),
+    ('Religious'),
+    ('Rock'),
+    ('Ska'),
+    ('Other');