Added sample code for data entry into database

Development Guidelines.md

@@ -2,18 +2,25 @@
 
 2.Clearly declare "private" inside of class. For example:
 
-use class item{
+use 
+```c++
+class item{
     private:
     int price;
     public:
     getPrice();
 }
+```
 
-instead of class item{
-    int price
+instead of class
+ 
+```c++
+class item{
+    int price;
     public:
-    getprice();
+    getPrice();
 }
+```
 
 
 3.Declare inheritance type(public, private, protected) when using inheritance.

README.md

@@ -1,3 +1,3 @@
 # Shoppe-Manne
 
-Basic shop management system written in
+Basic shop management system written in c++

main.cpp

@@ -1,13 +1,34 @@
 #include <iostream>
+#include <string>
+#include "headers/3rd-party/sqlite_orm.h"
 
-class item{
-    public:
-    
-    private:
+using namespace sqlite_orm;
 
+struct employee{
+    int id;
+    std::string first_name;
+    std::string last_name;
+    double salary;
 };
 
-int main(){
+// class item{
+//     public:
    
+//     private:
+// };
+
+int main(){
+    auto employees = make_storage("sqlite.db3",
+                                make_table("Employees",
+                                                make_column("id", &employee::id, autoincrement(), primary_key()),
+                                                make_column("first_name", &employee::first_name),
+                                                make_column("last_name", &employee::last_name),
+                                                make_column("salary", &employee::salary)
+                                )
+);
+    employees.sync_schema();
+    employees.remove_all<employee>();
+    employees.replace(employee{0,"Sagar","Ramsaransingh",120000});
+    system("PAUSE");
     return 0;
 }