[Doc] Update installation doc for Dremio (#9464)
[Doc] Update installation doc for Dremio (#9464)

* update installation doc for Dremio

Customers fail to install pyodbc properly which on linux systems requires you to install unixodbc-devel package. Update the instructions to make it clear.

* fix new line
airbnb/caravel,apache/incubator-superset,mistercrunch/panoramix,mistercrunch/panoramix,zhouyao1994/incubator-superset,zhouyao1994/incubator-superset,airbnb/superset,airbnb/caravel,airbnb/superset,mistercrunch/panoramix,airbnb/superset,apache/incubator-superset,airbnb/caravel,airbnb/superset,apache/incubator-superset,zhouyao1994/incubator-superset,zhouyao1994/incubator-superset,airbnb/caravel,zhouyao1994/incubator-superset,mistercrunch/panoramix,apache/incubator-superset,apache/incubator-superset