update theme to support hugo v0.121.1

Author: apvarun

LICENSE

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2021 Varun A P
+Copyright (c) 2023 Varun A P
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in

exampleSite/content/portfolio/design1.md

@@ -2,7 +2,7 @@
 title: Pastry jelly cookie sugar donut orange
 date: 2021-12-18
 images:
-- https://i.picsum.photos/id/1042/400/300.jpg?hmac=rBcizcYvtdgLbwltE3uU3EWyFbuBGpyy9C2YilmohL0
+- https://picsum.photos/id/25/400/300
 description: Sprinkles jelly ipsum sweet biscuit marzipan. Jelly dolor biscuit croissant croissant sweet.
 ---
 

exampleSite/content/portfolio/design2.md

@@ -2,7 +2,7 @@
 title: Cream sugar apple donut apple croissant
 date: 2021-12-17
 images:
-- https://i.picsum.photos/id/1081/400/300.jpg?hmac=XYI-A_xaoDyeZFBFUlN61VCrqsZXm3JRjrodSUReYt0
+- https://picsum.photos/id/30/400/300
 description: Cookie sweet donut candy pastry apple dolor orange lollipop biscuit. Muffin cream ipsum ipsum sprinkles sugar tiramisu pastry sweet tiramisu. 
 ---
 

exampleSite/content/portfolio/design3.md

@@ -2,7 +2,7 @@
 title: Apple cream vanilla apple marzipan muffin
 date: 2021-12-16
 images:
-- https://i.picsum.photos/id/12/400/300.jpg?hmac=9zg-xHM_r3ojCFQr7TSxpdObZ1pu3V2Yl2gafwcKcDs
+- https://picsum.photos/id/102/400/300
 description: Apple orange tiramisu jelly ipsum sugar. Candy cake orange ipsum orange muffin.
 ---