Localization Task

[arky]

Add localized variants of site and pages.

    +```                                                                                                 
    +content/Module_1/_index.md        ← English (default)                                               
    +content/Module_1/_index.fr.md     ← French                                                          
    +content/Module_1/_index.hi.md     ← Hindi                                                           
    +```                                       

[arky]

WARN deprecated: .Site.IsMultiLingual was deprecated in Hugo v0.124.0 and will be removed in a future release. Use hugo.IsMultilingual instead.