pgAdmin 4 commit: Added a common table MUI style object which can be us

Added a common table MUI style object which can be used on any table.
Added a few more styling improvements.

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=5c65766ecea2a04851538a5bb995b2b1660b9e53
Author: Aditya Toshniwal 

Modified Files
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web/pgadmin/static/js/Theme/index.jsx | 165 +++++++++++++++++++++++++++++++---
1 file changed, 152 insertions(+), 13 deletions(-)