Update auth config instructions (#3837)

* Update auth config instructions

Signed-off-by: davidmirror-ops <[email protected]>

* Add instructions to disable Helm propeller secret  management

Signed-off-by: davidmirror-ops <[email protected]>

* Fix 1st round of syntax errors

Signed-off-by: davidmirror-ops <[email protected]>

* Fix 2nd round of syntax errors

Signed-off-by: davidmirror-ops <[email protected]>

* Fix 3rd round of syntax errors

Signed-off-by: davidmirror-ops <[email protected]>

* Fix inconsistent title level

Signed-off-by: davidmirror-ops <[email protected]>

* Fix unordered list

Signed-off-by: davidmirror-ops <[email protected]>

* Fix missing blank line

Signed-off-by: davidmirror-ops <[email protected]>

* Fix list ordering

Signed-off-by: davidmirror-ops <[email protected]>

* Notes indentation fix

Signed-off-by: davidmirror-ops <[email protected]>

* Notes indentation fix v2

Signed-off-by: davidmirror-ops <[email protected]>

* Fix tab block spacing

Signed-off-by: davidmirror-ops <[email protected]>

* Multiple syntax fixes

Signed-off-by: davidmirror-ops <[email protected]>

* Fix inconsistent title levels

Signed-off-by: davidmirror-ops <[email protected]>

* Fix title numbers

Signed-off-by: davidmirror-ops <[email protected]>

* Rework sentences to reduce ambiguity

Signed-off-by: davidmirror-ops <[email protected]>

---------

Signed-off-by: davidmirror-ops <[email protected]>