build: apply language based on folder. (#1975)

* build: apply language based on folder.

* i18n: remove lang tag

* style: fix home style

* fixup!: fix lang 404 page

* re-add grid area

* fix zh_ch

* re add style changes

Author: bjohansebas

Makefile

@@ -16,7 +16,7 @@ help: ## This help
 
 serve: ## Local server
 	@echo "${BLUE}Starting expressjs.com at http://localhost:4000${RESET}"
-	docker run -p 4000:4000 -p 35729:35729 -v $(DIR):/usr/src/app expressjs.com bundle exec jekyll serve --host 0.0.0.0 --incremental
+	docker run -p 4000:4000 -p 35729:35729 -v $(DIR):/usr/src/app expressjs.com bundle exec jekyll serve --host 0.0.0.0
 
 build: ## Build site
 	@echo "${BLUE}Building site...${RESET}"

_config.yml

@@ -14,6 +14,61 @@ defaults:
       layout: "post"
       menu: blog
       lang: en
+  -
+    scope:
+      path: "en"
+    values:
+      lang: en
+  - 
+    scope:
+      path: "index.md"
+    values:
+      lang: en
+  -
+    scope:
+      path: "de"
+    values:
+      lang: de
+  -
+    scope:
+      path: "es"
+    values:
+      lang: es
+  -
+    scope:
+      path: "fr"
+    values:
+      lang: fr
+  -
+    scope:
+      path: "it"
+    values:
+      lang: it
+  -
+    scope:
+      path: "ja"
+    values:
+      lang: ja
+  -
+    scope:
+      path: "ko"
+    values:
+      lang: ko
+  -
+    scope:
+      path: "pt-br"
+    values: 
+      lang: "pt-br"  
+  -
+    scope:
+      path: "zh-cn"
+    values: 
+      lang: "zh-cn"
+  -
+    scope:
+      path: "zh-tw"
+    values:
+      lang: "zh-tw"
 
 announcement: true # Enable or disable the announcements.