chore: import upstream snapshot with attribution

.github/labeler.yml

@@ -0,0 +1,37 @@
+# Release lines
+1.x:
+ - base-branch: 'v1.x'
+
+# Proposals
+proposal:
+- changed-files:
+  - any-glob-to-any-file: proposals/text/*
+
+# Topics
+topic:tests:
+- changed-files:
+  - any-glob-to-any-file: ['test/**/*','test/*']
+
+topic:docker:
+- changed-files:
+  - any-glob-to-any-file: docker/*
+
+topic:CI:
+- changed-files:
+  - any-glob-to-any-file: ['.github/*','.github/**/*']
+
+topic:DX:
+- changed-files:
+  - any-glob-to-any-file: ["CONTRIBUTING.md", ".pre-commit-config.yaml",".gitignore"]
+
+topic:build/distribution:
+- changed-files:
+  - any-glob-to-any-file: pyproject.toml
+
+topic:security:
+- changed-files:
+  - any-glob-to-any-file: SECURITY.md
+
+topic:core:
+- changed-files:
+  - any-glob-to-any-file: haystack/core/**/*