layout: improve dates displayed

* NEW Sets the frontmatter date data.
* BETTER Improves the date information displayed.
* BETTER Adds a publishdate to *la lumière du gris* blog post.

Co-Authored-by: Igor Milhit <igor@milhit.ch>

config.toml

@@ -13,6 +13,10 @@ enableGitInfo = true
     posts = ":slug"
     blog = ":slug"
 
+[frontmatter]
+date = ["date", "publishDate"]
+lastmod = [":git", "lastmod"]
+
 
 [params]
 

content/blog/la-lumière-du-gris.md

@@ -1,7 +1,7 @@
 ---
 title: "La lumière du gris"
 date: 2019-08-20T16:59:40+02:00
-publishDate: 2019-08-21
+publishdate: 2019-08-21
 draft: false
 categories: ["traces", "poésie"]
 tags: ["fatigue", "gris", "lumière", "pluie", "gratitude"]

themes/portfoliGor

@@ -1 +1 @@
-Subproject commit 38566ba1064dc94f9cc641ba8f5094015ed43d24
+Subproject commit 02d6d2f08623ed894085ee4f0594c383fba9c167