Merge 9634-isort: Add an isort configuration file

Author: hawkowl
Reviewers: twm, wsanchez
Fixes: ticket:9634

pyproject.toml

@@ -50,3 +50,16 @@
         directory = "misc"
         name = "Misc"
         showcontent = false
+
+[tool.isort]
+line_length = 79
+sections = "FUTURE,STDLIB,ZOPE,OPENSSL,THIRDPARTY,FIRSTPARTY,LOCALFOLDER"
+default_section = "THIRDPARTY"
+no_lines_before = "LOCALFOLDER"
+known_first_party = "twisted"
+known_zope = "zope"
+known_openssl = "OpenSSL"
+multi_line_output = 3
+include_trailing_comma = true
+combine_as_imports = true
+skip = "src/twisted/logger/__init__.py,src/twisted/internet/reactor.py"