Add missing headers

Signed-off-by: Pekka Helenius <fincer89@hotmail.com>

bookstore/src/main/resources/application.properties

@@ -1,3 +1,5 @@
+# Pekka Helenius <fincer89@hotmail.com>, Fjordtek 2020
+
 # Default HTTP TCP port number for this server application
 # Do not set this value below 1024 as these TCP/UDP ports are privileged, requiring root permissions
 #

bookstore/src/main/resources/messages.properties

@@ -1,3 +1,5 @@
+# Pekka Helenius <fincer89@hotmail.com>, Fjordtek 2020
+
 # Message keys with values.
 # Prepare environment for possible multi-language support
 

bookstore/src/main/resources/static/css/bookstore.css

@@ -1,3 +1,5 @@
+/* Pekka Helenius <fincer89@hotmail.com>, Fjordtek 2020 */
+
 .bookform-section {
 	border-top: 1px dotted #888;
 	padding-top: 1.5em;