Add Northern and Central Kurdish translations (#567)

* Add Northern and Central Kurdish translations

* Fix the cases in `prev_page` and `next_page`

* Fix typo

i18n/ckb.yaml

@@ -0,0 +1,25 @@
+- id: prev_page
+  translation: "پەڕەی پێشتر"
+
+- id: next_page
+  translation: "پەڕەی دواتر"
+
+- id: read_time
+  translation:
+    one : "1 خولەک"
+    other: "{{ .Count }} خولەک"
+
+- id: toc
+  translation: "پێڕست"
+
+- id: translations
+  translation: "وەرگێڕانەکان"
+
+- id: home
+  translation: "ماڵەوە"
+
+- id: code_copy
+  translation: "لەبەری بگرەوە"
+
+- id: code_copied
+  translation: "لەبەر گیرایەوە!"

i18n/ku.yaml

@@ -0,0 +1,25 @@
+- id: prev_page
+  translation: "Rêpela Berê"
+
+- id: next_page
+  translation: "Rûpela Bê"
+
+- id: read_time
+  translation:
+    one : "1 xulek"
+    other: "{{ .Count }} xulek"
+
+- id: toc
+  translation: "Pêrist"
+
+- id: translations
+  translation: "Wergêranan"
+
+- id: home
+  translation: "Xanî"
+
+- id: code_copy
+  translation: "Jê bigre"
+
+- id: code_copied
+  translation: "Hat jê girtin!"