Set up mypy and flake8 linting

Author: MaddyGuthridge

.coveragerc

@@ -0,0 +1,8 @@
+[run]
+branch = True
+[report]
+exclude_lines =
+    pragma: no cover
+    if TYPE_CHECKING:
+    return NotImplemented
+    @overload

poetry.lock

@@ -36,6 +36,7 @@ include = ["py.typed"]
 
 [tool.poetry.dependencies]
 python = "^3.11"
+flake8-pyproject = "^1.2.3"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^7.4.1"
@@ -51,3 +52,14 @@ types-pyyaml = "^6.0.12.11"
 [build-system]
 requires = ["poetry-core"]
 build-backend = "poetry.core.masonry.api"
+
+[tool.mypy]
+exclude = [
+    'meta/templates/*'
+]
+
+[tool.flake8]
+exclude = [
+    'meta/templates',
+    'pyhtml/__tags/generated.py',
+]