Changed two taosdata links to TDengine links

A couple formatting fixes for the Python Connector page.

Noticed that San Diego was spelled wrong.

Minor grammar edit to Reference > REST API page

grammatical and stylistic changes

Stylistic and grammatical changes.

Stylistic and grammatical changes.

Minor grammatical changes.
Changed DESCRIBE to - For example "SELECT" cannot be abbreviated as "SEL" - since DESCRIBE can actually be abbreviated to DESC in TDengine.

Made a few stylistic and grammatical changes.

- Spelling
- rephrased sentences

Several changes:
-spelling
-reordering paragraphs for clarity
-rewrote some sentences
-added clarification for UDF being available across databases in an instance i.e. scope is not limited to a database when it is created.

Rewrote some sentences for readability.

Changed to: "In the above sample, `print_result` is used to simplify the printing of the result set. It is similar to `taos_use_result`"

Stylistic changes.
Clarifying changes.
Removed reference to taos_use_result since it is not mentioned in code snippet.

Minor changes for spelling and style.

Stylistic and grammar changes.

Grammar changes.

Spelling correction.

Spelling correction
Stylistic changes

Some stylistic changes.
Some clarifying changes.

Added best practices for firewall and data protections.
Added explicit hostnames (fqdn) in cluster set up examples for clarity.

Minor grammar, edits, and phrasing for the Admin > Problem Diagnostics page.

Phrasing for the Admin > TDengine Monitoring page

Minor grammar edits to the Admin > Manage connections page

Minor grammar updates to the Admin > Data Import page.

Minor grammar changes for the User Management page

Minor grammar and formatting for the Fault Tolerance & Disaster Recovery Page

Minor grammar edits to the Resource Planning page

Minor grammar updates and formatting for Admin > Install & Uninstall page

Minor grammar updates to SQL > JSON page

Minor grammar edits to SQL > Limits page

Grammar updates to the SQL > Interval page.

Minor grammar and formatting updates to SQL > Functions page

Minor grammar updates to the SQL > Select page

Minor grammar changes to the SQL Insert page

Minor grammar updates to SQL > STable page.

Minor grammar changes to the SQL > Table page.

Minor grammar changes to the SQL > Database page

Minor grammar changes to the SQL data types page.