Add lead and calender event to appointments
diff --git a/erpnext/www/book-appointment/index.html b/erpnext/www/book-appointment/index.html
index 43275eb..2e03213 100644
--- a/erpnext/www/book-appointment/index.html
+++ b/erpnext/www/book-appointment/index.html
@@ -51,10 +51,12 @@
                 placeholder="Contact Number" required>
             <input class="form-control mt-3" type="text" name="customer_skype" id="customer_skype" placeholder="Skype"
                 required>
+            <input class="form-control mt-3"type="email" name="customer_email" id="customer_email" 
+                placeholder="Email Address">
             <textarea class="form-control mt-3" name="customer_notes" id="customer_notes" cols="30" rows="10"
                 placeholder="Notes"></textarea>
             <div class="row mt-3 ">
-                <div class="col-md"><button class="btn btn-dark form-control" onclick="initialize_select_date()">Go back</button></div>
+                <div class="col-md"><button class="btn btn-dark form-control" onclick="initialise_select_date()">Go back</button></div>
                 <div class="col-md"><button class="btn btn-primary form-control " onclick="submit()" id="submit-button">Submit</button></div>
             </div>
         </div>