Translations and i18n (#60)

* Managing i18n

* Fix absolute path

* Config files

* Home link manage langage

* Fixing footer i18n

* Implemented i18n on newsletter

* Implemented two languages in example

* Removed old section directory

* Using yaml in data to organize home summary

* Fully working for old versions without i18n

* Integrating language menu CSS

* Fix language dropdown CSS

* Refactor translation codes

* Remove duplicate code

* Fix URL issues

* Move customMenus and other site related config into data section

* Fix error during language toggle

* Only show the available translation for the posts

* Handle navbar brand URL properly

* Fix responsiveness

Co-authored-by: Hugo MARTIN <hugo.martin.69@gmail.com>
Co-authored-by: hossainemruz <emruz@appscode.com>

exampleSite/data/fr/sections/projects.yaml

@@ -0,0 +1,64 @@
+# section information
+section:
+  name: Projets
+  enable: true
+  weight: 4
+  showOnNavbar: true
+  template: sections/projects.html
+  # Can optionally hide the title in sections
+  # hideTitle: true
+
+# filter buttons
+buttons:
+- name: All
+  filter: "all"
+- name: Professionnel
+  filter: "professionnel"
+- name: Ecole
+  filter: "ecole"
+- name: Hobby
+  filter: "hobby"
+
+# your projects
+projects:
+- name: Kubernetes
+  logo: images/projects/kubernetes.png
+  role: Contributeur
+  timeline: "Mars 2018 - Présent"
+  repo: https://github.com/kubernetes/kubernetes # If your project is a public repo on GitHub, then provide this link. it will show star count.
+  #url: ""  # If your project is not a public repo but it has a website or any external details url then provide it here. don't provide "repo" and "url" simultaneously.
+  summary: Planification et gestion des conteneurs de qualité production.
+  tags: ["professionnel", "kubernetes", "cloud"]
+
+- name: Tensorflow
+  logo: images/projects/tensorflow.png
+  role: Développeur
+  timeline: "Juin 2018 - Présent"
+  repo: https://github.com/tensorflow/tensorflow
+  #url: ""
+  summary: Un cadre d'apprentissage machine à source ouverte pour tous.
+  tags: ["professionnel", "machine-learning","ecole"]
+
+- name: Un exemple d'article académique
+  role: Chef d'équipe
+  timeline: "Janvier 2017 - Novembre 2017"
+  url: "https://www.example.com"
+  summary: Lorem ipsum dolor sit amet consectetur adipisicing elit. Sapiente eius reprehenderit animi suscipit autem eligendi esse amet aliquid error eum. Accusantium distinctio soluta aliquid quas placeat modi suscipit eligendi nisi.
+  tags: ["ecole","iot"]
+
+- name: Nocode
+  logo: images/projects/no-code.png
+  role: Rien
+  timeline: "Oct 2019 - Dec 2019"
+  repo: https://github.com/kelseyhightower/nocode
+  #url: ""
+  summary: La meilleure façon de rédiger des demandes sûres et fiables. N'écrivez rien, ne déployez rien.
+  tags: ["hobby", "fun"]
+
+- name: Toha
+  logo: images/projects/toha.png
+  role: Owner
+  timeline: "Juin 2019 - Présent"
+  repo: https://github.com/hossainemruz/toha
+  summary: Un thème Hugo pour le portfolio personnel.
+  tags: ["hobby","hugo","theme","professionnel"]