Change CLA (#103)

* Update CONTRIBUTING.md

* Update PULL_REQUEST_TEMPLATE.md

.github/PULL_REQUEST_TEMPLATE.md

@@ -4,7 +4,7 @@
 <!--- Go over all the following points, and put an `x` in all the boxes that apply. -->
 <!--- If you're unsure about any of these, don't hesitate to ask. We're here to help! -->
 - [ ] I have read the **CONTRIBUTING** document
-- [ ] I hereby agree to the terms of the CLA available at: https://yandex.ru/legal/cla/?lang=en
+- [ ] I hereby agree to the terms of either individual CLA available at: https://toloka.ai/legal/cla_individual or corporate CLA available at: https://toloka.ai/legal/cla_corporate, whichever is applicable to me, as it pertains to direct contributions to crowd-kit only
 - [ ] My change requires a change to the documentation
 - [ ] I have updated the documentation accordingly
 - [ ] I have added tests to cover my changes

CONTRIBUTING.md

@@ -2,7 +2,8 @@
 
 ## General info
 
-Hello! In order for us to accept patches and other contributions from you, you will have to adopt Yandex Contributor License Agreement (the “**CLA**”). The current version of the CLA can be found at https://yandex.ru/legal/cla/?lang=en.
+Hello! In order for us to accept patches and other contributions from you, you will have to adopt Toloka Contributor License Agreement (the “**CLA**”).
+The current version of the CLA for individuals can be found at https://toloka.ai/legal/cla_individual, for corporate contributors — at https://toloka.ai/legal/cla_corporate.
 
 By adopting the CLA, you state the following:
 
@@ -19,7 +20,11 @@ If you agree with these principles, please read and adopt our CLA. By providing
 If you have already adopted terms and conditions of the CLA, you are able to provide your contributions. When you submit your first pull request, please add the following information into it:
 
 ```
-I hereby agree to the terms of the CLA available at: https://yandex.ru/legal/cla/?lang=en.
+I hereby agree to the terms of the CLA available at: https://toloka.ai/legal/cla_individual.
+```
+or
+```
+I hereby agree to the terms of the CLA available at: https://toloka.ai/legal/cla_corporate.
 ```
 
 It is enough to provide this notification only once.