Add view command for displaying calorie lists

[ethanso56]

Format: view INDEX

[codecov-io]

Codecov Report

Merging #213 into master will increase coverage by 0.08%.
The diff coverage is 42.22%.

@@             Coverage Diff              @@
##             master     #213      +/-   ##
============================================
+ Coverage     41.95%   42.04%   +0.08%     
- Complexity      517      529      +12     
============================================
  Files           115      117       +2     
  Lines          2734     2764      +30     
  Branches        331      334       +3     
============================================
+ Hits           1147     1162      +15     
- Misses         1461     1478      +17     
+ Partials        126      124       -2     

Impacted Files	Coverage Δ	Complexity Δ
...edu/address/logic/parser/MyFitnessBuddyParser.java	64.00% <0.00%> (-2.67%)	12.00 <0.00> (ø)
src/main/java/seedu/address/ui/DayCard.java	0.00% <0.00%> (ø)	0.00 <0.00> (ø)
src/main/java/seedu/address/ui/MainWindow.java	0.00% <0.00%> (ø)	0.00 <0.00> (ø)
...java/seedu/address/logic/commands/ViewCommand.java	41.66% <41.66%> (ø)	5.00 <5.00> (?)
...va/seedu/address/logic/commands/CommandResult.java	58.33% <50.00%> (-3.58%)	20.00 <4.00> (+2.00)	⬇️
.../seedu/address/logic/parser/ViewCommandParser.java	100.00% <100.00%> (ø)	2.00 <2.00> (?)
...va/seedu/address/logic/commands/DeleteCommand.java	61.53% <0.00%> (+15.38%)	6.00% <0.00%> (+3.00%)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 74e6bad...b3bc7ae. Read the comment docs.

[junhui-phoon]

Looks good, just need to include the javadocs