Docs Updates: Feb (#11791)

* exclude archived docs from search

* rm index files from search results

* fix typo - CWE to CVE

* update external_tools.md with additional windows options

* remove outdated github.io links

* specify that EPSS sync is pro-only

* add universal parser documentation

* add beta notice to Universal Parser

* Update universal_parser.md

* add back defectdojo.com/pricing links

* add scss change to fix 'central column' issue

* add rules engine Pro documentation

* change casing for screenshots

* create pro features list, add to header

* Rename Enabling_Deduplication_within_an_Engagement.png to enabling_deduplication_within_an_engagement.png

* Rename Enabling_Deduplication_within_an_Engagement_2.png to enabling_deduplication_within_an_engagement_2.png

* Rename Enabling_Deduplication_within_an_Engagement_3.png to enabling_deduplication_within_an_engagement_3.png

* Rename Enabling_Deduplication_within_an_Engagement_4.png to enabling_deduplication_within_an_engagement_4.png

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Co-authored-by: Paul Osinski <paul.m.osinski@gmail.com>

Author: paulOsinski