stack: Typ project und Collection kb/gtd/ (#123)

Files changed:
- CHANGES.md
- README.md
- VERSION
- kb/CONTRACT.md
- kb/CONVENTIONS.md
- kb/entities/COLLECTION.md
- kb/gtd/COLLECTION.md
- kb/gtd/INDEX.md
- kb/index.md
- tools/CONTRACT.md
- tools/chemenu/kb_collections.py
- tools/chemenu/tests/test_conventions.py
- tools/chemenu/tests/test_docs_verify.py
- tools/chemenu/tests/test_kb_collections.py
- tools/chemenu/tests/test_new_page.py
- tools/chemenu/tests/test_type_resolver.py
- tools/chemenu/tests/test_types_cmd.py
- types/project.md
- types/project.schema.yaml
- types/type-spec.md

kb/CONVENTIONS.md

@@ -42,8 +42,9 @@ those regions and nothing else. Nothing matches on this text.
 
 Pages are written in **German** - the `language:` in this file's own frontmatter, and the one
 place that value is written down. This binds `kb/`, and inside the page type-specs
-(`types/entity.md`, `types/concept.md`, `types/source.md`, `types/comparison.md`) exactly the
-parts that become page text: each one's `## Template` block, and the `layout:` titles that head a
+(`types/entity.md`, `types/concept.md`, `types/source.md`, `types/comparison.md`,
+`types/project.md`) exactly the parts that become page text: each one's `## Template` block, and
+the `layout:` titles that head a
 catalog section. Their authoring guidance around those is instruction to an agent, so it follows
 the control plane and stays English - the same prose/identifier cut
 [kb/CONTRACT.md](CONTRACT.md#language-and-identifiers) makes inside a page, applied one level up.