Release first v0.12 alpha

[FreeMasen]

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 87.83784% with 9 lines in your changes missing coverage. Please review.

Project coverage is 84.45%. Comparing base (cf7ebbf) to head (1151513).

Files	Patch %	Lines
src/tokenizer/mod.rs	88.00%	3 Missing :warning:
src/tokens/template.rs	40.00%	3 Missing :warning:
src/tokens/keyword.rs	0.00%	2 Missing :warning:
src/tokens/boolean.rs	87.50%	1 Missing :warning:

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #102       +/-   ##
===========================================
+ Coverage   70.43%   84.45%   +14.01%     
===========================================
  Files          18       18               
  Lines        2757     2798       +41     
===========================================
+ Hits         1942     2363      +421     
+ Misses        815      435      -380     

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