Sprite and text defaults

[Dev-Owl]

• Spirte and sprite animation default
• Text default
• Updated example

[codecov-commenter]

Codecov Report

Merging #72 (b596ba6) into main (c3ecf08) will increase coverage by 0.11%. The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main      #72      +/-   ##
==========================================
+ Coverage   30.13%   30.25%   +0.11%     
==========================================
  Files          19       19              
  Lines        1261     1256       -5     
==========================================
  Hits          380      380              
+ Misses        881      876       -5     

Impacted Files	Coverage Δ
lib/realm.dart	88.62% <0.00%> (+1.04%)	:arrow_up:
lib/realm_mixin.dart	0.00% <ø> (ø)

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