Add search namespace

lib/tasks/search.rake

-task :init do
-  touch search-data.json
+namespace :search do
+  task :init do
+    touch search-data.json
 
-  File.open('search-data.json', 'w') do |f|
-    f.puts '
----
----
-{
-  {% for page in site.html_pages %}"{{ forloop.index0 }}": {
-    "id": "{{ forloop.index0 }}",
-    "title": "{{ page.title | xml_escape }}",
-    "content": "{{ page.content | markdownify | strip_html | xml_escape | remove: "Table of contents" | remove: page.title | strip_newlines | replace: "\", " "}}",
-    "url": "{{ page.url | xml_escape }}"
-  }{% if forloop.last %}{% else %},
-  {% endif %}{% endfor %}
-}'
+    File.open('search-data.json', 'w') do |f|
+      f.puts '
+  ---
+  ---
+  {
+    {% for page in site.html_pages %}"{{ forloop.index0 }}": {
+      "id": "{{ forloop.index0 }}",
+      "title": "{{ page.title | xml_escape }}",
+      "content": "{{ page.content | markdownify | strip_html | xml_escape | remove: "Table of contents" | remove: page.title | strip_newlines | replace: "\", " "}}",
+      "url": "{{ page.url | xml_escape }}"
+    }{% if forloop.last %}{% else %},
+    {% endif %}{% endfor %}
+  }'
+    end
   end
 end