ThemeSwitch and Terminal Icon (close #15)

styles/Blog/Navigation.module.scss

@@ -42,6 +42,13 @@
         }
     }
 
+    .navIcon {
+        margin-right: 15px;
+        cursor: pointer;
+        display: block;
+        height: 2em;
+    }
+
     @media screen and (min-width: 300px) {
         .imgContainer {
             display: block;

styles/Blog/ThemeSwitch.module.scss

@@ -2,9 +2,17 @@
     position: relative;
     width: 1.5em;
     height: 1.5em;
+    cursor: pointer;
 
     & > * {
         position: absolute;
+        opacity: 0;
+        transform: translate(0, 100%);
+    }
+
+    & > .selected {
+        opacity: 1;
+        transform: translate(0, 0);
     }
 
     .fadeOut {