Update deployment readme

[khanhtc1202]

What this PR does / why we need it:

Add some missing note to deployment readme

Which issue(s) this PR fixes:

Fixes #

Does this PR introduce a user-facing change?:

• How are users affected by this change:
• Is this breaking change:
• How to migrate (if breaking change):

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 22.82%. Comparing base (29dd1b6) to head (a1a6bd7). Report is 2 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #5220 +/- ## ======================================= Coverage 22.82% 22.82% ======================================= Files 419 419 Lines 45297 45297 ======================================= + Hits 10340 10341 +1 Misses 34161 34161 + Partials 796 795 -1 ```

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