Fix CI/CD for Auto-GPT + docs site deployment

docs/testing.md

@@ -0,0 +1,51 @@
+# Running tests
+
+To run all tests, use the following command:
+
+```shell
+pytest
+```
+
+If `pytest` is not found:
+
+```shell
+python -m pytest
+```
+
+### Running specific test suites
+
+- To run without integration tests:
+
+```shell
+pytest --without-integration
+```
+
+- To run without *slow* integration tests:
+
+```shell
+pytest --without-slow-integration
+```
+
+- To run tests and see coverage:
+
+```shell
+pytest --cov=autogpt --without-integration --without-slow-integration
+```
+
+## Running the linter
+
+This project uses [flake8](https://flake8.pycqa.org/en/latest/) for linting.
+We currently use the following rules: `E303,W293,W291,W292,E305,E231,E302`.
+See the [flake8 rules](https://www.flake8rules.com/) for more information.
+
+To run the linter:
+
+```shell
+flake8 .
+```
+
+Or:
+
+```shell
+python -m flake8 .
+```