Create "Getting Started" guides for three KLT use cases

[StackScribe]

Goal

Create Getting Started Guides for three main use cases:

• Keptn Metrics
• Standardize access to Observability data
• Orchestrate deployment checks

Problem

KLT generated much interest and enthusiasm at the Amsterdam KubeCon. We need documentation to enable new users to quickly get started when they come to our web site.

Technical Details

@grabnerandi has created a video outlining three use cases. We need to create Getting Started guides that walk new users through the steps required to implement each of these use cases and explain the value that KLT adds to the k8s features. These are based on Andi's sample application and we will use that sample for these guides.

Andi's video explains the different elements that need to be set up for the KLT use cases and we need to translate those into sequential steps (some of which may be iterative). We will define this list of steps on the intro page for the "Implementing KLT" section and then follow that order for the use-case guides. Out of these discussions, we may get the beginnings of some "Best practices" documentation to supplement the k8s "Best Practices."

DoD

Getting Started is a section, not a page. Initially, it contains the following sub-pages

• Keptn Metrics
• Observability
• Orchestrate deployments
• Generic "Getting Started" guide (the existing one with minor modifications)
• It would be nice to have a link to the KLT Killercoda exercise here if it is ready.

Tasks

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1. set up get-started directory #1299
   documentation +1
   
2. create "Keptn metrics" getting started guide #1300
   documentation +1
   
3. create "Standardize access to Observability Data" getting started guide #1301
   documentation stale +2
   
4. create "Orchestrate deployment checks" getting started guide #1302
   documentation stale +2
   
5. link use-case getting started guides to tiles on keptn.sh #1305
   documentation stale +2
   
6. edit original "Getting Started" guide #1306
   documentation stale +2
   
7. add "klt ready" section to install/k8s #1307
   documentation +1
   
8. add examples to info about modifying Helm chart #1312
   documentation stale +2
   
9. add instructions for installing just one operator #1368
   documentation stale +2
10. document how to uninstall KLT #1415
    documentation stale +2
    

[odubajDT]

@StackScribe is something more needed to be documented? AFAIK this should be done

[StackScribe]

This is done. Additional work is required for Getting started guides. That is defined in #2237