Merge pull request #22 from abhinav89908/my-new-branch

My new branch...I have added the Hello world Code in Database

Database/Hello_World_Abhi.cpp

@@ -1,9 +1,12 @@
 #include<iostream>
-using namesapce std;
+using namespace std;
 int main(){
 	// LANG: C++
 	// AUTHOR: Abhinav Prajapati
 	// GITHUB: https://github.com/abhinav89908
 	cout<<"Hello World!";
+	// The above code will print 'Hello World' in the console
+	// cout is an instance of ostream class used to produce output
 	return 0;
+	// We are returning 0 to notify that the code executed successfully
 }