Make UI resizable

[ianyong]

Changes:

• Enable resizing of application window.
• Set minimum window size of 900 by 650.
• Update UI components to be resizable.
  • Tabs are now anchored to the top of the window, while the result display box and command line are anchored to the bottom. The contents of the tab resize freely to fill empty space.
  • On the Overview, Incomes, and Expenses tabs, the main panel and side panel are fixed to a 3:2 ratio.
• Update application to keep track of window fullscreen status across sessions.
  • If the application was closed while fullscreen previously, it will launch in fullscreen.
  • Window size and position are captured whenever the window is moved or resized while not fullscreen.
    • This is to allow for proper exiting out of fullscreen mode across sessions.
• Add text wrap to the result display box.
• Use 2 spaces per indentation instead of 4 for fxml files.

Note that the savings goal panel has an image that still has a hardcoded size. This has not been fixed due to @zhaojj2209 making changes to it in #172 as well.

Resolves #162.

[zhaojj2209]

LGTM!

[codecov-io]

Codecov Report

Merging #174 into master will decrease coverage by 0.73%.
The diff coverage is 16.66%.

@@             Coverage Diff              @@
##             master     #174      +/-   ##
============================================
- Coverage     75.51%   74.78%   -0.74%     
  Complexity      787      787              
============================================
  Files           129      129              
  Lines          2381     2407      +26     
  Branches        252      253       +1     
============================================
+ Hits           1798     1800       +2     
- Misses          488      511      +23     
- Partials         95       96       +1     

Impacted Files	Coverage Δ	Complexity Δ
...a/ay2021s1_cs2103_w16_3/finesse/ui/MainWindow.java	0.00% <0.00%> (ø)	0.00 <0.00> (ø)
...va/ay2021s1_cs2103_w16_3/finesse/ui/UiManager.java	0.00% <0.00%> (ø)	0.00 <0.00> (ø)
...cs2103_w16_3/finesse/commons/core/GuiSettings.java	70.00% <70.00%> (-3.08%)	6.00 <2.00> (ø)

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[zhaojj2209]

LGTM!

[yongping827]

LGTM