Rearchitect theme directory (#59)

* Rearchitect theme directory

* Fix symlink

static/css/dark.css

@@ -0,0 +1,77 @@
+:root {
+  --dark-primary-color: 32, 32, 32;
+  --dark-text-color: white;
+  --dark-secondary-color: #555;
+}
+
+html {
+  background-color: rgb(var(--dark-primary-color));
+  color: var(--dark-text-color);
+}
+
+.header {
+  background-color: rgba(var(--dark-primary-color), 0.95);
+}
+
+.nav-hamburger-list {
+  background: rgba(var(--dark-primary-color), 1);
+}
+
+.nav-links .nav-icons-divider {
+  color: var(--dark-secondary-color);
+}
+
+a:hover .feather-moon {
+  fill: white;
+  color: white;
+}
+
+.post-tags .post-tag:hover {
+  background-color: var(--dark-text-color);
+  color: rgb(var(--dark-primary-color));
+}
+
+.tags-list .post-tags .post-tag a .tag-posts-count {
+  background-color: var(--dark-secondary-color);
+}
+
+.tags-list .post-tags .post-tag:hover a .tag-posts-count {
+  background-color: var(--dark-text-color);
+  color: rgb(var(--dark-primary-color));
+}
+
+.footer {
+  border-top-color: var(--dark-header-bg-color);
+}
+
+blockquote {
+  color: darkgrey;
+  border-left-color: var(--dark-secondary-color);
+}
+
+table thead {
+  background-color: var(--dark-secondary-color);
+}
+
+table td,
+table th {
+  border-bottom-color: var(--dark-secondary-color);
+}
+
+:not(pre) > code {
+  background-color: var(--dark-secondary-color) !important;
+  color: var(--dark-text-color);
+}
+
+.header-shadow {
+  box-shadow: rgb(33, 38, 45) 0px -1px 0px 0px inset;
+}
+
+/* TODO: Check if this is needed or not */
+/* 
+img,
+video {
+  filter: hue-rotate(180deg) contrast(100%) invert(100%);
+  -webkit-filter: hue-rotate(180deg) contrast(100%) invert(100%);
+} 
+*/