Add Remark Command

[bryanyee33]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 71.08434% with 24 lines in your changes are missing coverage. Please review.

Project coverage is 74.80%. Comparing base (af490e0) to head (de830eb).

Files	Patch %	Lines
...eedu/address/logic/parser/RemarkCommandParser.java	0.00%	9 Missing ⚠️
...va/seedu/address/logic/commands/RemarkCommand.java	70.83%	7 Missing ⚠️
...c/main/java/seedu/address/model/person/Remark.java	75.00%	2 Missing and 1 partial ⚠️
...c/main/java/seedu/address/model/person/Person.java	71.42%	1 Missing and 1 partial ⚠️
...java/seedu/address/logic/commands/EditCommand.java	88.88%	0 Missing and 1 partial ⚠️
.../seedu/address/logic/parser/AddressBookParser.java	0.00%	1 Missing ⚠️
src/main/java/seedu/address/ui/PersonCard.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master       #3      +/-   ##
============================================
- Coverage     75.26%   74.80%   -0.46%     
- Complexity      419      432      +13     
============================================
  Files            71       74       +3     
  Lines          1338     1409      +71     
  Branches        126      135       +9     
============================================
+ Hits           1007     1054      +47     
- Misses          301      321      +20     
- Partials         30       34       +4     

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