added boostrap5 course (#6059)

* added boostrap5 course

added bootstrap 5 persian taught course to free-courses-fa_IR

* updated url path to playlist 

changed single video url to playlist url

* moved bootstrap to web section

* updated bootstrap5 section

moved from subsection to specific web development section

* Update free-courses-fa_IR.md

* Update free-courses-fa_IR.md

* Update free-courses-fa_IR.md

* Update courses/free-courses-fa_IR.md
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* Update courses/free-courses-fa_IR.md
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

courses/free-courses-fa_IR.md

@@ -124,3 +124,5 @@
 ### Web Development
 
 * [برنامه نویسی وب](https://maktabkhooneh.org/course/%D8%A8%D8%B1%D9%86%D8%A7%D9%85%D9%87-%D9%86%D9%88%DB%8C%D8%B3%DB%8C-%D9%88%D8%A8-mk74) - Mohammad Salehe
+ * [دوره اموزشی بوت استرپ 5](https://www.youtube.com/playlist?list=PLAt10Vana3YciJv9EIcNSsm1yTGpOdJIp) - Mehran Tarif «Silicium»
+