updated theme

.gitmodules

@@ -1,3 +1,3 @@
 [submodule "themes/book"]
 	path = themes/book
-	url = https://github.com/tomoyanonymous/hugo-book.git
+	url = https://github.com/alex-shpak/hugo-book.git

assets/_custom.scss

@@ -0,0 +1,15 @@
+body {
+    //mod by tomoya
+    font-family: "Helvetica Neue",
+      Arial,
+      "Hiragino Sans",
+      "Hiragino Kaku Gothic ProN",
+      Meiryo,
+      sans-serif;
+      font-feature-settings: "palt" 1;
+      word-break: auto-phrase;
+    }
+  
+  code {
+    font-family: monospace;
+  }