Document LDAPS configuration for LDAP integration (#612)

* Document LDAPS configuration for LDAP integration

Added detailed instructions for configuring LDAPS/LDAP SSL trust for LDAP integration with Apache CloudStack, including certificate retrieval, truststore creation, and LDAP settings configuration.

* Refactor LDAP settings table format

Reformatted LDAP settings table for clarity and consistency.

* Update LDAP settings format 

Update LDAP settings format

* Revise LDAP settings and restart instructions

Updated LDAP settings and descriptions for clarity. Added instructions for restarting CloudStack Management Services after configuration changes.

* Fix typo: change microsftad to microsoftad in LDAP provider settings

* Improve LDAP Settings table layout and fix typo

- Adjust LDAP Settings table column widths to 20-25-55 for better readability
- Add table-layout:fixed CSS to enforce column width specifications
- Fix typo: microsftad -> microsoftad in ldap.provider setting

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Co-authored-by: Jithin Raju <jithinraju@SB-MacBook-Air.local>