contributing

CONTRIBUTING.md

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+Hello! We are excited about you wanting to help us in making TextGrad great!
+
+## Before getting started
+
+First of all, we would like to thank all contributors for their interest in the project.
+You can find a list of contributors in the README file. We would love for you to be part of it!
+
+Contributing is much easier than you think.
+
+# How to contribute
+
+If you need further guidance, you can open an issue, write in the discussion section 
+
+Please note we have a [code of conduct](#code-of-conduct), please follow it in all your interactions with the project.
+
+## Getting started
+
+While we have not yet a set of concrete guidelines, we have some initial issues that might be a good starting point.
+
+* Caches are a general class, but every engine has to implement the same 4 lines of code to greate the key, and check if the object is in the cache. This could be generalized in a base class.
+* The way we now store cache names is brittle, users can easily confuse caches. Also, it is not clear that the model_string is actually the one used for the caching.
+* Writing docs for the notebooks. Currently, the notebooks are not documented at all.
+
+## Coding conventions
+
+We currently have not settled on a coding convention. We are open to suggestions and will update this section as soon as we have a decision.
+
+## Code of Conduct
+
+Please consider that similarly to the [Contributor Covenant](http://contributor-covenant.org), we are committed to providing a friendly, safe and welcoming environment for all, regardless 
+of _age, body size, disability, ethnicity, sex characteristics, gender identity and expression, level of experience, education, socio-economic status, nationality, personal appearance, race, religion, or sexual identity and orientation._
+
+