Add base files for new Jekyll site setup

Introduced initial setup for a Jekyll-based site, including configurations, layouts, assets, and styles. Added custom 404 page, favicon assets, SCSS themes, fonts, and a blog post template to establish the foundation for the site.

_sass/klise/_miscellaneous.scss

@@ -0,0 +1,41 @@
+// Animation fade-in
+@keyframes fadein {
+  0% {
+    opacity: 0.2;
+  }
+
+  100% {
+    opacity: 0.8;
+  }
+}
+
+// Animation blur
+@keyframes blur {
+  0% {
+    filter: blur(0px);
+  }
+
+  100% {
+    filter: blur(4px);
+  }
+}
+
+// Responsive embed video
+.embed-responsive {
+  height: 0;
+  max-width: 100%;
+  overflow: hidden;
+  position: relative;
+  padding-bottom: 56.25%;
+  margin-top: 20px;
+
+  iframe,
+  object,
+  embed {
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    position: absolute;
+  }
+}