Fix smooth scroll for multi-language setup (#93)

exampleSite/data/en/sections/about.yaml

@@ -1,6 +1,7 @@
 # section information
 section:
   name: About
+  id: about
   enable: true
   weight: 1
   showOnNavbar: true

exampleSite/data/en/sections/achievements.yaml

@@ -1,6 +1,7 @@
 # section information
 section:
   name: Achievements
+  id: achievements
   enable: true
   weight: 6
   showOnNavbar: true

exampleSite/data/en/sections/experiences.yaml

@@ -1,6 +1,7 @@
 # section information
 section:
   name: Experiences
+  id: experiences
   enable: true
   weight: 3
   showOnNavbar: true

exampleSite/data/en/sections/projects.yaml

@@ -1,6 +1,7 @@
 # section information
 section:
   name: Projects
+  id: projects
   enable: true
   weight: 4
   showOnNavbar: true

exampleSite/data/en/sections/recent-posts.yaml

@@ -1,6 +1,7 @@
 # section information
 section:
   name: Recent Posts
+  id: recent-posts
   enable: true
   weight: 5
   showOnNavbar: true

exampleSite/data/en/sections/skills.yaml

@@ -1,6 +1,7 @@
 # section information
 section:
   name: Skills
+  id: skills
   enable: true
   weight: 2
   showOnNavbar: true