readded hugo-book theme files.

themes/hugo-book/archetypes/docs.md

@@ -0,0 +1,12 @@
+---
+title: "{{ .Name | humanize | title }}"
+weight: 1
+# bookFlatSection: false
+# bookToc: true
+# bookHidden: false
+# bookCollapseSection: false
+# bookComments: false
+# bookSearchExclude: false
+# bookHref: ''
+# bookIcon: ''
+---

themes/hugo-book/archetypes/posts.md

@@ -0,0 +1,7 @@
+---
+title: "{{ .Name | humanize | title }}"
+date: {{ .Date }}
+# bookComments: false
+# bookSearchExclude: false
+# bookPostThumbnail: thumbnail.*
+---