Broken links in v2 install and upgrade guides

[jstirnaman]

Investigate broken links:

Error: Broken link: file:///home/runner/work/docs-v2/docs-v2/public/flux/v0/stdlib/universe/from - Cannot find file: File not found. Check if file exists and path is correct
Error: Broken link: file:///home/runner/work/docs-v2/docs-v2/public/influxdb/v2/upgrade/v2-beta-to-v2 - Cannot find file: File not found. Check if file exists and path is correct

Originally posted by @jstirnaman in #6680 (comment)