Update README.md

Updating README with ways to contribute.

README.md

@@ -1,5 +1,21 @@
-# periodic-table-of-learning
-Periodic table of activities which can support continuous and in-work learning with a heavy emphasis on collaborative forms of learning.
+# Continuous Learning Toolkit
+
+A collection of social and technical practices which can support continuous and in-work learning with a heavy emphasis on collaborative forms of learning.
+
+Explore the toolkit and linked resources independently or with your team.
 
     // to run locally...
     node index.js
+
+## Notes
+
+- This is a work in progress / concept piece (it's incomplete)
+- There is also this interim collection of [tools4learning](https://github.com/sharriet/tools4learning)
+- For linked resources, please check the copyright status and terms of use on the individual resource
+
+## Contributing
+
+ 2 ways to contribute:
+
+ 1. Suggest items for the toolkit or other improvements by opening an issue
+ 2. Fork the repo, add the items yourself (in data), then open a pull request