create snippets for use in emacs-yasnippet

plus more cleanup of main tidal file, and updated readme

snippets/b1bass2

@@ -0,0 +1,15 @@
+# -*- mode: snippet -*-
+# name: b1bass2
+# group: battery123
+# key: b1bass2
+# expand-env: (yas-indent-line 'fixed)
+# --
+-- @b1bass2
+d'bass $
+  spread slow [1,3] $
+  striate 16 $
+  s "bass3 [~ bass3] ! ~"
+  # begin 0.2
+  # n "0 1 0 0"
+  # speed (scale 1 1.5 $ slow 8 sine1)
+  # gain 0.9