Merge branch 'release/v2.0.0'

See https://github.com/ACEnglish/kanpig/wiki/Updates/ for details

Author: ACEnglish

.gitignore

@@ -3,6 +3,8 @@ target/
 tickets/
 .cargo/
 experiments/
+test_results/
+.gitignore
 
 # These are backup files generated by rustfmt
 **/*.rs.bk
@@ -11,3 +13,9 @@ experiments/
 *.pdb
 
 trash/
+.DS_Store
+errnotes.txt
+imgs/FastPig.webp
+imgs/Tagging.png
+scratch/
+versions/