feat: Switch to src layout (#1317)

.github/workflows/ci.yml

@@ -112,6 +112,7 @@ jobs:
           echo "$HOME/.local/bin" >> $GITHUB_PATH
       - name: Install Dev Dependencies
         run: |
+          python -m pip install -U setuptools
           pdm install -v -dGtest
           pdm run pip install -U setuptools
           pdm info

.pre-commit-config.yaml

@@ -27,7 +27,7 @@ repos:
     rev: v0.971
     hooks:
       - id: mypy
-        args: [pdm]
+        args: [src]
         pass_filenames: false
         additional_dependencies:
           - types-requests

pyproject.toml

@@ -57,8 +57,8 @@ pdm = "pdm.core:main"
 version = {source = "scm"}
 
 [tool.pdm.build]
-includes = ["pdm"]
 excludes = ["./**/.git"]
+package-dir = "src"
 source-includes = ["tests", "CHANGELOG.md", "LICENSE", "README.md"]
 # editables backend doesn't work well with namespace packages
 editable-backend = "path"