Branch add programming languages

[ashleyy2444]

Add Programming Language tag into AddressBook.

• Use pl/ as parameter
• Should be less than 50 characters
• Can include special characters such as + and #

[codecov]

Codecov Report

Attention: Patch coverage is 83.51648% with 15 lines in your changes are missing coverage. Please review.

Project coverage is 77.75%. Comparing base (07916e2) to head (5cd9551).

Files	Patch %	Lines
.../java/seedu/address/model/util/SampleDataUtil.java	33.33%	6 Missing ⚠️
src/main/java/seedu/address/ui/PersonCard.java	0.00%	3 Missing ⚠️
.../seedu/address/logic/parser/EditCommandParser.java	75.00%	0 Missing and 2 partials ⚠️
...ddress/storage/JsonAdaptedProgrammingLanguage.java	80.00%	1 Missing and 1 partial ⚠️
...java/seedu/address/logic/commands/EditCommand.java	90.90%	0 Missing and 1 partial ⚠️
...c/main/java/seedu/address/model/person/Person.java	87.50%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master      #34      +/-   ##
============================================
+ Coverage     77.21%   77.75%   +0.54%     
- Complexity      485      506      +21     
============================================
  Files            75       77       +2     
  Lines          1545     1623      +78     
  Branches        152      163      +11     
============================================
+ Hits           1193     1262      +69     
- Misses          312      316       +4     
- Partials         40       45       +5     

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[ZHANGTIANYAO1]

LGTM

[dabzpengu]

LGTM