It's a very pleasant news that you have decided to practice Niqab to seek the pleasure of Allah azz zawajal. I pray that Allah subhaanahu waa ta'ala accepts from you & rewards you abundantly for your noble deed Ameen.
salam alikum wa rahmatu allahi taala wa barakatuh,
ammeen toma ammen to your dou'a dear brothers , may allah aceept our good deeds and forgives those bad ones ammen , and make al firdaous al aa'la our placze in al jannah and all muslims ammen