committing toc for TAP 1.7 (#438)

Signed-off-by: shanrajad23 <[email protected]>

src/toc-tap.md

@@ -2,7 +2,7 @@
 
 This is the table of contents from which the Tanzu Application Platform Reference Architecture Documentation site on docs.vmware.com is built.
 
-- [Tanzu Application Platform 1.6 Planning and Architecture Reference](./reference-designs/index-tap.md)
+- [Tanzu Application Platform 1.7 Planning and Architecture Reference](./reference-designs/index-tap.md)
 - [Tanzu Application Platform Architecture](./reference-designs/tap-architecture-planning.md)
 - [Tanzu Application Platform Developer Components (Inner-Loop)](./reference-designs/tap-architecture-dev-components.md)
 - [Tanzu Application Platform Networking](./reference-designs/tap-networking.md)