Added start_page function in config, Added Contacts and Locations, seperated client nav and page routes out

add_client_contact_modal.php

@@ -8,6 +8,7 @@
         </button>
       </div>
       <form action="post.php" method="post" autocomplete="off">
+        <input type="hidden" name="client_id" value="<?php echo $client_id; ?>">
         <div class="modal-body">
           <div class="form-group">
             <label>Name</label>
@@ -50,7 +51,7 @@
         </div>
         <div class="modal-footer">
           <button type="button" class="btn btn-secondary" data-dismiss="modal">Cancel</button>
-          <button type="submit" name="add_client" class="btn btn-primary">Save</button>
+          <button type="submit" name="add_client_contact" class="btn btn-primary">Save</button>
         </div>
       </form>
     </div>