Fixed invalid links in that document.
- also minor formatting and typo issue fixed

Related: https://github.com/tektoncd/community/issues/1016

Add the new v0.48.0 release.
Signed-off-by: NChuang Wang <chuangw@google.com>

- High level overview of Software Supply Chain security.
- New introductory tutorial for Tekton Chains.
- Add chains to the list of component in the overview doc.

Add the new v0.47.0 LTS release.
Remove EOL release v0.46.0 and v0.43.0.
Signed-off-by: NAndrea Frittoli <andrea.frittoli@gmail.com>

Replace v0.34 which is now EOL

This blog is imported from https://opensource.googleblog.com/2023/03/getting-to-slsa-level-2-with-tekton-and-tekton-chains.html

Signed-off-by: NAndrea Frittoli <andrea.frittoli@gmail.com>

This blog post announces the upcoming event, cdCon + GitOpsCon 2023
together with the list of talks about Tekton.

Use the synchronous version of the analytics template. The asynchronous
one is not compatible with GA4.

Add the docs for Triggers v0.23.0

- Delete recovery data.
- Replace old analytics Id with new one.

Add instructions to embed code samples from external files in the
documentation.

- Create new partial to display links to the Nightly and  LTS release.
- Disable breadcrumb and use that space for the links.

Signed-off-by: NAndrew Bayer <andrew.bayer@gmail.com>

- Update the code in the left nav to make it compatible with the latest
Docsy implementation.

- Delete redundant layout code

This is essentially the default docsy nav code with small changes to
keep the menu scope in the correct subfolder.

- Refactor config file for legibiltiy
- Write new menu logic to pick manual menu from config file
- Replace spaces with dashes in folder names

This is the first PR adding vendor-specific documentation.

- Refactor installation docs to make it simpler with tabs for generic
  instructions, Google cloud, and Openshift. This is a multi-PR change.
  The actual installation doc is created on the Pipelines repo and
  rendered on the website.

- Update the build and push how-to with instructions to authenticate to
  Google Artifact Registry.

- Create a new shortcode to commenting out text in the markdown file.

Display names such as `v0.41.x LTS` are translated to `v0.41.x-lts`
in the URL and break the version matching strategy due to use of `-`.

Update the version switch to match based on the simple version prefix,
i.e. `v0.41.x`, and set the correct display name.

Add the recovery file required by the Google Analytics recovery process.
To revert this changes once the domain ownership is verified.

Update the sync script to ensure both links and images are processed
for URL rewrites.

This commit adds v0.43 and v0.44 to the docs to sync on the website.

Remove EOL releases

Mark Tekton as graduated from the CDF on the home page.
Update the OpenSSF link to point to the correct section.
Signed-off-by: NAndrea Frittoli <andrea.frittoli@gmail.com>

Update the sync script. If the image is not found locally, the src is
updated to the corresponding raw file on the repo.

Signed-off-by: BobDu <i@bobdu.cc>

As of now the latest version of CLI displayed is v0.23.1 whereas the
latest current release is v0.28.0. Updating the sync/config/cli.yaml
with the latest releases that were done post v0.23.1
Signed-off-by: Nvinamra28 <jvinamra776@gmail.com>