Show appropriate Greetings in Dashboard Page and fix the Date in Routine List Page

[saptarshiweb]

In the Dashboard page show the correct greeting as per the time of the day.
4 am - 1pm : Good Morning
1 pm - 5pm : Good Afternoon
5pm - 11pm: Good Evening
11pm - 4am: Good Night

In the Routine Page show the Correct Date. Use of third party libraries unless absolutely necessary is not encouraged.

[sayanm16]

Hlw @saptarshiweb I want to contribute in this Issue....

[saptarshiweb]

Hello @sayanm16 , I have assigned you the issue.

[harshraj305]

Hey @saptarshiweb , can you assign this issue to me
I have already solved it.

[saptarshiweb]

Hello @harshraj305 , I cannot assign you the issue. It is already assigned to someone else. Kindly check out the other issues.Also, you can suggest an issue on the discord server, I would create it and assign it to you.