Document Loki onboarding for consumers

With our Loki PoC well on the way, we'll need some documentation on how users can get up and running with it; It should include:

• Easy to follow step by step guide
• Example code
• Helm Chart with example values
• Dashboard links
• Appropriate promtail links for advanced usage, with specific examples

Details

• Point of contact for this request: @user
• If a call is needed, what is the proposed date and time of the call: Date and Time
• Additional call details (format, type of call): additional details

SRE Support Needed Support Request Details