Update GUI

[jonahtanjz]

• Add popup when app is started to show expired food items
• Add icons to attributes
• Add headers to different lists
• Limit Description to 50 characters and Tag to 72 characters
• Wrap text on expiring food list
• Display each Food attribute on new line in command result box

[codecov-io]

Codecov Report

Merging #108 into master will decrease coverage by 2.11%.
The diff coverage is 27.90%.

@@             Coverage Diff              @@
##             master     #108      +/-   ##
============================================
- Coverage     71.65%   69.54%   -2.12%     
- Complexity      531      536       +5     
============================================
  Files            84       87       +3     
  Lines          1690     1763      +73     
  Branches        197      198       +1     
============================================
+ Hits           1211     1226      +15     
- Misses          400      454      +54     
- Partials         79       83       +4     

Impacted Files	Coverage Δ	Complexity Δ
...seedu/simplykitchen/logic/commands/AddCommand.java	100.00% <ø> (ø)	8.00 <0.00> (ø)
...du/simplykitchen/logic/commands/DeleteCommand.java	100.00% <ø> (ø)	7.00 <0.00> (ø)
...eedu/simplykitchen/logic/commands/EditCommand.java	97.05% <ø> (ø)	12.00 <0.00> (ø)
src/main/java/seedu/simplykitchen/model/Model.java	100.00% <ø> (ø)	1.00 <0.00> (ø)
...va/seedu/simplykitchen/ui/ExpiredFoodListCard.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)
...a/seedu/simplykitchen/ui/ExpiredFoodListPanel.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)
...java/seedu/simplykitchen/ui/ExpiredFoodWindow.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)
.../java/seedu/simplykitchen/ui/ExpiringFoodCard.java	0.00% <0.00%> (ø)	0.00 <0.00> (ø)
.../seedu/simplykitchen/ui/ExpiringFoodListPanel.java	0.00% <0.00%> (ø)	0.00 <0.00> (ø)
...c/main/java/seedu/simplykitchen/ui/MainWindow.java	0.00% <0.00%> (ø)	0.00 <0.00> (ø)
... and 10 more

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[sagarsureka]

LGTM