Content improvements (#354)

* Update landing page content (#127)
* First pass at the new Getting Started page (#174)
* Adding Getting Started tutorial for SwiftUI / iOS 16. (#185)
* Add data file with items for "Go Further" section (#184)
* Add cli and library getting started guides (#192)
* Getting started tweaks (#208)
* Rename Markdown files to have an `.md` extension. (#209)
* Fix typo (#214)
* Update getting started page layout (#204)
* Add documentation information to Getting Started (#226)
* Add Vapor Getting Started guide (#229)
* Update content-improvments branch per feedback (#244)
* Tweak SwiftUI tutorial (#240)
* Add TSPL Go Further section and resource thumbnails (#227)
* Improve 'Why Swift?' section on landing page (#252)
* Replace Go Further item for advanced String Under The Hood blog post with item for Structures and Classes chapter in TSPL (#254)
* Update landing page layout (#267)
* Link to developer.apple.com from apple use case (#291)
* Smaller landing page changes on content improvements branch (#294)
* Update Go Further section (#300)
* Update icons and placeholder image (#301)
* Improve description of use cases and getting started guides (#304)
* POC: Feature random code snippet on landing page (#303)
* New “Swift is…” and About page copy (#336)
* Move link to A Swift Tour to the Use Cases section (#329)
* Add consistent download section to start and end of each guide (#351)
* Add a new install page, update the download page, and move release yml files into one file. (#310)
* Update navigation for install page (#355)
* Update cli and library getting started guides (#357)
* Content improvement guide updates (#373)
* Add value and reference types article (#377)
* Add some showcase snippets (#371)
* Resolve issue with Red Hat download links (#379)
* Add Info about Scoop for Windows install page (#382)

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Co-authored-by: Alexander Sandberg <hi@alexandersandberg.com>
Co-authored-by: Paul Hudson <paul.hudson@gmail.com>
Co-authored-by: James Dempsey <dempsey@tapas-software.net>
Co-authored-by: tomer doron <tomer@apple.com>
Co-authored-by: Dave Verwer <dave.verwer@gmail.com>
Co-authored-by: Tim Condon <0xTim@users.noreply.github.com>
Co-authored-by: Max Desiatov <m_desiatov@apple.com>
Co-authored-by: Mishal Shah <shahmishal@users.noreply.github.com>
Co-authored-by: AG <acgarland@apple.com>
Co-authored-by: Ted Kremenek <kremenek@apple.com>

Author: 11 people