Implementation updates

• Updated to container insights Log Schema v2 - #365
• Updated AKS (1.25.5 -> 1.26.0) - #374
• Moved WAF bot policy from 0.1 to 1.0 - #374
• Added an alert in case cluster log sink hits a daily data cap - #374
• Migrated two alerts to actually alert off of the pushed metric alert as configured by the azmon agent. - #374

Walkthrough updates

• Typo fix - #366 (HT: @oliverlabs)
• Added a very detailed architecture diagram contributed by @ulkeba - #370 & #371
• Added a mention of private link DNS zone placement and non-stamp resources - #374