updated graphics

• updated logo with full synth name

• added version text

total backend rework & organization

added synth midi polyphony (how many notes can be played at once)

added sub oscillator 

• toggleable

• -1 octave by default

added an lfo (patch out connection)

• rate / speed control

• depth / lfo amount control

added delay effect 

• toggleable

• delay timing (patch in connection)

• feedback (patch in connection)

• dry / wet (patch in connection)

added patch out connecton to the amplitude envelope

added tabs feature - oscillators tab; effects tab

updated graphics - added logo!

added a second envelope (with patch out connection)

updated filter

• toggleable

filter selection with 12 types

• frequency analyzer

• patch in connection (connected to cutoff)

created synth

added 2 basic waveform oscillators (toggleable)

added master volume control (with dB meter)

added amplitude envelope (adsr)

added basic filter (with cutoff and resonance control)

added voicing control

monophonic / polyphonic toggle

portamento timing