- rename img file

-modulized the head

views/head.pug

@@ -0,0 +1,9 @@
+head
+    meta(charset="UTF-8")
+    meta(name="viewport" content="width=device-width, initial-scale=1.0")
+    meta(http-equiv="X-UA-Compatible" content="ie=edge")
+    meta(name="description" content="Panda ipsum is a text generator for placeholder text. Great for people who want their love of pandas to show in their development process.")
+    meta(name="keywords" content="Panda, Ipsum, panda, ispum, Panda Ipsum, panda ipsum, developer, programer, placeholder text, lorem ipsum, lorem")
+    title Panda Ispum
+    link(rel="stylesheet" type="text/css" href="/css/normalize.css")
+    link(rel="stylesheet" type="text/css" href="/css/index.css")

views/header.pug

@@ -1,3 +1,3 @@
 header(class="header")
-    img(src="/images/panda.png" alt="panda")
+    img(src="/img/panda.png" alt="panda")
     h1 Panda Ipsum

views/template.pug

@@ -1,15 +1,7 @@
 
 doctype html
 html
-    head
-        meta(charset="UTF-8")
-        meta(name="viewport" content="width=device-width, initial-scale=1.0")
-        meta(http-equiv="X-UA-Compatible" content="ie=edge")
-        meta(name="description" content="Panda ipsum is a text generator for placeholder text. Great for people who want their love of pandas to show in their development process.")
-        meta(name="keywords" content="Panda, Ipsum, panda, ispum, Panda Ipsum, panda ipsum, developer, programer, placeholder text, lorem ipsum, lorem")
-        title Panda Ispum
-        link(rel="stylesheet" type="text/css" href="/css/normalize.css")
-        link(rel="stylesheet" type="text/css" href="/css/index.css")
+    include head
     body
         block header
             include header