Update README.md

- Fixed Markdown
- Updated build and preview instructions
- Updated links

Signed-off-by: Sandro Bonazzola <sbonazzo@redhat.com>

README.md

@@ -1,11 +1,9 @@
-Fedora Mindshare Committee documentation
-========================================
+# Fedora Mindshare Committee documentation
 
 This repository contains the source content for the [Fedora Mindshare Committee documentation][1].
 The Antora configuration files and AsciiDoc source content are hosted in this repository.
 Please report Issues and submit Merge Requests for **content fixes** here.
 
-
 ## Report an issue with the Mindshare Committee docs
 
 Noticed some wrong or incorrect with the Mindshare Committee documentation?
@@ -14,7 +12,6 @@ Check the list of open issues first to see if someone else has already reported
 
 [**Fedora Mindshare Committee docs issues**][2]
 
-
 ## Local preview
 
 This repo includes scripts to build and preview the contents of this repository.
@@ -23,7 +20,7 @@ To build and preview the site, run the following commands in a terminal:
 
 ```sh
 cd /path/to/fedora/mindshare/docs/
-./build.sh && ./preview.sh
+./docsbuilder.sh -b && ./docsbuilder.sh -p
 ```
 
 A preview of local changes will be available at [localhost:8080](http://localhost:8080).
@@ -40,5 +37,5 @@ sudo dnf install podman
 ```
 
 [1]: https://docs.fedoraproject.org/en-US/mindshare-committee/
-[2]: https://gitlab.com/fedora/mindshare/docs/-/issues
-[3]: https://gitlab.com/fedora/docs/docs-website/docs-fp-o
+[2]: https://forge.fedoraproject.org/mindshare/docs/issues
+[3]: https://forge.fedoraproject.org/docs/docs-fp-o