(DOCSP-18336) Clarify and generalize BIC configurations

[zach-carr]

Ticket Staged

Note for copy review: this is mostly moving things around. The small amount of new copy is in the BI configuration descriptions, everything else is just switching the order or removing things.

• Moved the configuration types under an umbrella header and added a ToC to the page to better group and distinguish them from the rest of the page.
• Changed mentions of ODBC/ creating a DSN for ODBC to more general statements about connecting with ODBC or JDBC.
• Reorganized the Components section. Screenshot now appears under the components, component order changed to match.
• In order to reduce note clutter, I removed the marketing-slanted callout to use Atlas and moved the important information into the body of that configuration - still highlighting the ease of the Atlas configuration.
• Also to reduce note clutter, I removed the top note that says BIC is compatible with all current MongoDB server versions. That note is used on many other pages as well, and while I think it's worth specifically calling out, I don't think it needs to be addressed at the top of the intro page; I think users will assume our BIC is compatible with the server.

[zach-carr]

Thanks for reviewing @kanchana-mongodb! I fixed those copy mistakes.

As for linking to information about connecting/setting up the ODBC and JDBC drivers - I totally agree, but those pages don't exist yet/are going to change as part of this BIC improvements effort. I added a requirements to another BIC ticket of mine to link these configuration sections to a driver setup overview page after I create it: https://jira.mongodb.org/browse/DOCSP-18323.

[zach-carr]

Tech review on the JIRA ticket