Localize "by" and "in" strings in post meta

This became a problem when I added right-to-left language support.
When you mix RTL languages like Arabic with English (even for just
dates and small strings) everything becomes jumbled. For now I have
only added translations for English (default), Arabic, and Bulgarian.

i18n/ar.yaml

@@ -36,3 +36,12 @@
 
 - id: links
   translation: "الرَِّوَابِط"
+
+- id: authoredBy
+  translation: "الكاتب"
+
+- id: postedIn
+  translation: "في"
+
+- id: comma
+  translation: "،"

i18n/bg.yaml

@@ -36,3 +36,9 @@
 
 - id: links
   translation: "Линкове"
+
+- id: authoredBy
+  translation: "от"
+
+- id: postedIn
+  translation: "в"

i18n/en.yaml

@@ -36,3 +36,12 @@
 
 - id: links
   translation: "Links"
+
+- id: authoredBy
+  translation: "by"
+
+- id: postedIn
+  translation: "in"
+
+- id: comma
+  translation: ","

layouts/_default/content.html

@@ -2,8 +2,8 @@
 
 <article class="blog-post">
   <header>
-    <h2 class="blog-post-title"><a href="{{ .Permalink }}">{{ .Title | markdownify }}</a></h2>
+    <h2 class="blog-post-title" dir="auto"><a href="{{ .Permalink }}">{{ .Title | markdownify }}</a></h2>
-    <p class="blog-post-meta"><time datetime="{{ .Date.Format "2006-01-02T15:04:05Z07:00" }}">{{ .Date.Format $dateFormat }}</time> by {{ .Params.author | default .Site.Params.author }}{{ if or (.Params.categories) (.Params.tags) }} in {{ partial "meta-terms.html" . }}{{ end }}</p>
+    <p class="blog-post-meta"><time datetime="{{ .Date.Format "2006-01-02T15:04:05Z07:00" }}">{{ .Date.Format $dateFormat }}</time> {{ i18n "authoredBy" }} {{ .Params.author | default .Site.Params.author }}{{ if or (.Params.categories) (.Params.tags) }} {{ i18n "postedIn" }} {{ partial "meta-terms.html" . }}{{ end }}</p>
   </header>
   {{ .Content }}
 </article> <!-- /.blog-post -->

layouts/_default/single.html

@@ -58,8 +58,8 @@
 
 <article class="blog-post">
   <header>
-    <h2 class="blog-post-title"><a href="{{ .Permalink }}">{{ .Title | markdownify }}</a></h2>
+    <h2 class="blog-post-title" dir="auto"><a href="{{ .Permalink }}">{{ .Title | markdownify }}</a></h2>
-    <p class="blog-post-meta"><time datetime="{{ .Date.Format "2006-01-02T15:04:05Z07:00" }}">{{ .Date.Format $dateFormat }}</time> by {{ .Params.author | default .Site.Params.author }}{{ if or (.Params.categories) (.Params.tags) }} in {{ partial "meta-terms.html" . }}{{ end }}</p>
+    <p class="blog-post-meta"><time datetime="{{ .Date.Format "2006-01-02T15:04:05Z07:00" }}">{{ .Date.Format $dateFormat }}</time> {{ i18n "authoredBy" }} {{ .Params.author | default .Site.Params.author }}{{ if or (.Params.categories) (.Params.tags) }} {{ i18n "postedIn" }} {{ partial "meta-terms.html" . }}{{ end }}</p>
   </header>
   {{ .Content }}
 

layouts/_default/summary.html

@@ -2,8 +2,8 @@
 
 <article class="blog-post">
   <header>
-    <h2 class="blog-post-title"><a href="{{ .Permalink }}">{{ .Title | markdownify }}</a></h2>
+    <h2 class="blog-post-title" dir="auto"><a href="{{ .Permalink }}">{{ .Title | markdownify }}</a></h2>
-    <p class="blog-post-meta"><time datetime="{{ .Date.Format "2006-01-02T15:04:05Z07:00" }}">{{ .Date.Format $dateFormat }}</time> by {{ .Params.author | default .Site.Params.author }}{{ if or (.Params.categories) (.Params.tags) }} in {{ partial "meta-terms.html" . }}{{ end }}</p>
+    <p class="blog-post-meta"><time datetime="{{ .Date.Format "2006-01-02T15:04:05Z07:00" }}">{{ .Date.Format $dateFormat }}</time> {{ i18n "authoredBy" }} {{ .Params.author | default .Site.Params.author }}{{ if or (.Params.categories) (.Params.tags) }} {{ i18n "postedIn" }} {{ partial "meta-terms.html" . }}{{ end }}</p>
   </header>
   {{ .Summary }}
   <a href='{{ .Permalink }}'>{{ i18n "readMore" }}</a>

layouts/partials/meta-terms.html

@@ -1,8 +1,8 @@
 {{ if .Params.categories }}
-<i class="fa fa-folder" aria-hidden="true"></i>&nbsp;{{ range $index, $category := .Params.categories }}{{ if gt $index 0 }}, {{ end }}<a href="{{ "/categories/" | relLangURL }}{{ . | urlize }}" rel="category tag">{{ . }}</a>{{ end }}
+<i class="fa fa-folder" aria-hidden="true"></i>&nbsp;{{ range $index, $category := .Params.categories }}{{ if gt $index 0 }}{{ i18n "comma" }} {{ end }}<a href="{{ "/categories/" | relLangURL }}{{ . | urlize }}" rel="category tag">{{ . }}</a>{{ end }}
 {{ end }}
 {{ if .Params.tags }}
-<i class="fa fa-tag" aria-hidden="true"></i>&nbsp;{{ range $index, $tag := .Params.tags }}{{ if gt $index 0 }}, {{ end }}<a href="{{ "/tags/" | relLangURL }}{{ . | urlize }}" rel="tag">{{ . }}</a>{{ end }}
+<i class="fa fa-tag" aria-hidden="true"></i>&nbsp;{{ range $index, $tag := .Params.tags }}{{ if gt $index 0 }}{{ i18n "comma" }} {{ end }}<a href="{{ "/tags/" | relLangURL }}{{ . | urlize }}" rel="tag">{{ . }}</a>{{ end }}
 {{ end }}
 
 {{- /* vim: set ts=2 sw=2 et: */}}