Various improvements

- Refer to fabric-v1model.p4 in quickstart and mention the future plan
- Remove reference to private docker registry from deployment guide
- Update port ID in both netcfg and chassis config
- Remove private links from ignore list
- Update link to QoS config generator script
- Add link to SD-Fabric helm chart in PFCP configuration section
- Fix GitHub link anchor issue

Change-Id: I5272cb7363176d741a03145242a40db502d2fb24
diff --git a/advanced/qos.rst b/advanced/qos.rst
index d51b0ae..713acf2 100644
--- a/advanced/qos.rst
+++ b/advanced/qos.rst
@@ -115,7 +115,7 @@
 <https://github.com/stratum/stratum/blob/main/stratum/hal/bin/barefoot/README.run.md>`_
 in the Stratum repository.
 
-We provide a convenient `script <https://github.com/stratum/fabric-tna/blob/main/util/gen-stratum-qos-config.py>`_
+We provide a convenient `script <https://github.com/stratum/fabric-tna/blob/main/util/gen-qos-config.py>`_
 to generate the configuration starting from a higher-level description provided via a YAML file.
 This file allows to configure the parameters for the traffic classes listed in the above section.