Add requirements.txt for dev environments

Signed-off-by: Anish Asthana <[email protected]>

Author: anishasthana

Diff for: README.md

@@ -19,7 +19,7 @@ Can be installed via `pip`: `pip install codeflare-sdk`
 
 We recommend using Python 3.8 for development.
 Install development specific dependencies:
-  `$ pip install pre-commit poetry pytest pytest-mock coverage black==22.3.0`
+  `$ pip install -r requirements-dev.txt`
 
 Additional dependencies can be found in `requirements.txt`: `$ pip install -r requirements.txt`
 

Diff for: requirements-dev.txt

@@ -0,0 +1,6 @@
+pre-commit
+poetry
+pytest
+pytest-mock
+coverage
+black==22.3.0