initial commit
added readme
changed some equations
Differenzierer-Formel hinzugefügt
Schmitt-Trigger-Formel korrigiert, neues Bild eingefügt
Merge branch 'elektronik' of https://github.com/Laird-Dave/formelsammlung into elektrotechnik

Conflicts:
	content/chapters/bipolar.tex
	content/chapters/dioden.tex
	content/chapters/grundlagen.tex
	content/chapters/op.tex
	content/chapters/passiv.tex
	images/schmitt_inv.png

Merge mit elektronik