make 0.5hz cps the default (#931)

* 0.5 default cps

* 1 -> 0.5 cps defaults

* start moving examples to 2Hz

* more 2Hz doc edits

* small tweaks

* format

* adapt cycles page

* adapt pitch page

* tonal page

* accumulation

* synth page

* adapt conditional-modifiers

* audio effects page

* adapt signals doc

* fix: errors for signals

* adapt signals page

* start time modifiers

* adapt time modifiers

* adapt factories

* hydra + pattern intro

* adapt mini notation page

* start recipes

* adapt recipes page

* use code_v1 table

* delete old dbdump + add new csv based tool

* fix: tests

* fix: cpm

* shuffle featured patterns

* fix: snapshot

---------

Co-authored-by: Felix Roos <flix91@gmail.com>

website/src/pages/learn/hydra.mdx

@@ -36,7 +36,8 @@ osc(1, -0.9, 300)
 .scale(2)
 .out()
 
-note("[a,c,e,<a4 ab4 g4 gb4>,b4]/4").s("sawtooth").vib(2)
+note("[a,c,e,<a4 ab4 g4 gb4>,b4]/2")
+.s("sawtooth").vib(2)
 .lpf(600).lpa(2).lpenv(6)
 `}
 />
@@ -90,7 +91,7 @@ src(s0).kaleid(H("<4 5 6>"))
   .out()
 //
 stack(
-  s("bd*2,[hh:0:<.5 1>]*4,~ rim").bank("RolandTR909").speed(.9),
+  s("bd*4,[hh:0:<.5 1>]*8,~ rim").bank("RolandTR909").speed(.9),
   note("[<g1!3 <bb1 <f1 d1>>>]*3").s("sawtooth")
   .room(.75).sometimes(add(note(12))).clip(.3)
   .lpa(.05).lpenv(-4).lpf(2000).lpq(8).ftype('24db')