refactor(init): share common files between templates (#5315)

* Create shared folder & update init logic

Signed-off-by: Josh-Cena <sidachen2003@gmail.com>

* Restore needed links

Signed-off-by: Josh-Cena <sidachen2003@gmail.com>

* Prevent copying symlinks

Signed-off-by: Josh-Cena <sidachen2003@gmail.com>

* Reuse some FB files

Signed-off-by: Josh-Cena <sidachen2003@gmail.com>

* Minor tweak

Signed-off-by: Josh-Cena <sidachen2003@gmail.com>

* Minor refactors

Signed-off-by: Josh-Cena <sidachen2003@gmail.com>

* Fix bootstrap url

Signed-off-by: Josh-Cena <sidachen2003@gmail.com>

* Add path alias

Signed-off-by: Josh-Cena <sidachen2003@gmail.com>

* Handle facebook template more gracefully

Signed-off-by: Josh-Cena <sidachen2003@gmail.com>

* minor refactor: extract getTypeScriptBaseTemplate

Co-authored-by: slorber <lorber.sebastien@gmail.com>

packages/docusaurus-init/templates/bootstrap/docusaurus.config.js

@@ -18,7 +18,7 @@ module.exports = {
       },
       items: [
         {
-          to: 'docs/',
+          to: 'docs/intro',
           activeBasePath: 'docs',
           label: 'Docs',
           position: 'left',