Adds links in readme to stable and latest docs (#4186)

* add finer documentation links

* add links to docs as well

* improve

Author: epwalsh

README.md

@@ -24,14 +24,14 @@
 
 ## Quick Links
 
-* [Website](https://allennlp.org/)
-* [Tutorial](https://allennlp.org/tutorials)
-* [Forum](https://discourse.allennlp.org)
-* [Documentation](https://docs.allennlp.org/master/)
-* [Contributing Guidelines](CONTRIBUTING.md)
-* [Pretrained Models](https://github.com/allenai/allennlp-hub/blob/master/allennlp_hub/pretrained/allennlp_pretrained.py)
-* [Continuous Build](https://github.com/allenai/allennlp/actions)
-* [Nightly Releases](https://pypi.org/project/allennlp/#history)
+- [Website](https://allennlp.org/)
+- [Tutorial](https://allennlp.org/tutorials)
+- [Forum](https://discourse.allennlp.org)
+- Documentation ( [latest](https://docs.allennlp.org/latest/) | [stable](https://docs.allennlp.org/stable/) | [master](https://docs.allennlp.org/master/) )
+- [Contributing Guidelines](CONTRIBUTING.md)
+- [Pretrained Models](https://github.com/allenai/allennlp-hub/blob/master/allennlp_hub/pretrained/allennlp_pretrained.py)
+- [Continuous Build](https://github.com/allenai/allennlp/actions)
+- [Nightly Releases](https://pypi.org/project/allennlp/#history)
 
 ## Package Overview
 

mkdocs-skeleton.yml

@@ -23,7 +23,11 @@ repo_name: allenai/allennlp
 # TODO(markn): Consider adding GA here, if we care about it.
 
 nav:
-- AllenNLP: README.md
+- Home: README.md
+- Versions:
+  - Latest: /latest/
+  - Stable: /stable/
+  - Master: /master/
 - Tutorials:
   - Predicting Paper Venues (pt1): tutorials/getting_started/predicting_paper_venues/predicting_paper_venues_pt1.md
   - Predicting Paper Venues (pt2): tutorials/getting_started/predicting_paper_venues/predicting_paper_venues_pt2.md

scripts/build_docs_config.py

@@ -10,6 +10,8 @@
 
 from ruamel.yaml import YAML
 
+from allennlp.version import VERSION
+
 
 API_TOC_KEY = "API"
 
@@ -22,6 +24,7 @@ def parse_args():
     parser.add_argument(
         "api_docs_path", help="The root of the API docs within the markdown docs root folder."
     )
+    parser.add_argument("--docs-version", type=str, default=f"v{VERSION}")
     return parser.parse_args()
 
 
@@ -47,6 +50,9 @@ def main():
 
     nav_entries = build_api_toc(Path(opts.api_docs_path), Path(opts.docs_root))
 
+    # Add version to name.
+    source_yaml["site_name"] = f"AllenNLP {opts.docs_version}"
+
     # Find the yaml sub-object corresponding to the API table of contents.
     site_nav = source_yaml["nav"]
     for nav_obj in site_nav: