[docs]: update references in READMEs (#3486)

README.md

@@ -50,7 +50,7 @@ Refer to the [edit docs](docs/edit/README.md).
 
 **[Complete documentation](https://github.com/DataDog/system-tests/blob/main/docs)**
 
-System-tests supports various scenarios for running tests; read more about the different kinds of tests that this repo covers in [scenarios/README.md](scenarios/README.md).
+System-tests supports various scenarios for running tests; read more about the different kinds of tests that this repo covers in [scenarios/README.md](docs/scenarios/README.md).
 
 Understand the test architecture at the [architectural overview](https://github.com/DataDog/system-tests/blob/main/docs/architecture/overview.md).
 

docs/edit/README.md

@@ -13,15 +13,15 @@ To make changes, you must be able to run tests locally. Instructions for running
 You'll commonly need to run unmerged changes to your library against system tests (e.g. to ensure the feature is up to spec). Instructions for testing against unmerged changes can be found in [enable-test.md](./enable-test.md).
 
 ## Index
-1. [lifecycle.md](./lifecycle.md): Understand how system tests work
-2. [add-new-test.md](./add-new-test.md): Add a new test
-3. [scenarios.md](./scenarios.md): Add a new scenario
-4. [format.md](./format.md): Use the linter
-5. [features.md](./features.md): Mark tests for the feature parity dashboard
-6. [enable-test.md](./enable-test.md): Enable a test
-7. [skip-tests.md](./skip-tests.md): Disable tests
-8. [manifest.md](./manifest.md): How tests are marked as enabled or disabled for libraries
-9. [features.md](./features.md): Mark tests for the feature parity dashboard
-10. [format.md](./format.md): Use the linter
-11. [troubleshooting.md](./troubleshooting.md) Tips for debugging
-12. [iast-validations.md](./iast-validations.md): Mark tests with vulnerabilities
+1. [add-new-test.md](./add-new-test.md): Add a new test
+2. [scenarios.md](./scenarios.md): Add a new scenario
+3. [format.md](./format.md): Use the linter
+4. [features.md](./features.md): Mark tests for the feature parity dashboard
+5. [enable-test.md](./enable-test.md): Enable a test
+6. [skip-tests.md](./skip-tests.md): Disable tests
+7. [manifest.md](./manifest.md): How tests are marked as enabled or disabled for libraries
+8. [troubleshooting.md](./troubleshooting.md) Tips for debugging
+9. [iast-validations.md](./iast-validations.md): Mark tests with vulnerabilities
+10. [CI-and-scenarios.md](./CI-and-scenarios.md): Understand how scenarios run in CI
+11. [update-docker-images.md](./update-docker-images.md): Modify test app docker images
+12. [remote-config.md](./remote-config.md): Write remote config tests