Rename templates to njk

It's specified in the nunjucks documentation.  Using it allows editors
to understand the syntax better

4 files changed, 5 insertions, 1 deletions

diff --git a/src/index.js b/src/index.js
index fce4c09..242b298 100644
--- a/src/index.js
+++ b/src/index.js
@@ -13,7 +13,11 @@ const view = require('koa-nunjucks-next')
 const Posts = require('./modules/posts.js')
 const posts = Posts.getFolder(process.env.POST_DIR)
 
-app.use(view(`${__dirname}/views`))
+app.use(
+  view(`${__dirname}/views`, {
+    extname: 'njk'
+  })
+)
 
 const postsArray = Array.from(posts.entries())
 router.get('/', async function (ctx) {
diff --git a/src/views/index.html b/src/views/index.njk
index dcc142c..dcc142c 100644
--- a/src/views/index.html
+++ b/src/views/index.njk
diff --git a/src/views/post.html b/src/views/post.njk
index 81f7e3d..81f7e3d 100644
--- a/src/views/post.html
+++ b/src/views/post.njk
diff --git a/src/views/tag.html b/src/views/tag.njk
index 7ff9871..7ff9871 100644
--- a/src/views/tag.html
+++ b/src/views/tag.njk