templater: try to read %include in mapfiles from resources
The "show" style is an example of a style that uses an "%include"
statement in its definition. This patch makes `hg log --style show`
work.
This takes the number of failing tests with PyOxidizer from 72 to 62.
Differential Revision: https://phab.mercurial-scm.org/D8896
[tool.black]
line-length = 80
exclude = '''
build/
| wheelhouse/
| dist/
| packages/
| \.hg/
| \.mypy_cache/
| \.venv/
| mercurial/thirdparty/
'''
skip-string-normalization = true
quiet = true