Rename dbms/main.md to dbms/Md/main.md

Author: chirag127

dbms/main.md dbms/Md/main.mddbms/main.md renamed to dbms/Md/main.md

@@ -2782,4 +2782,4 @@ that are being deleted or modified and when they have been deleted or modified.
 Experiment No.12
 Design and implementation of payroll processing system
 Experiment No.13
-Mini project
+Mini project