[SDK] Consolidate Naming for CRUD APIs (kubeflow#1907)

* Add Flake and Black Lint

* Change SDK APIs

* Update E2E tests

* Fix a few function parameters

* Fix black format

* Fix a few comments

* Fix conftest location

* Fix Job kind in tests

* Fix client creation in test

* Fix namespace arg in get_job_conditions

* Update SDK examples with the latest changes

* Rename SDK examples

* Fix black action

* Update checkout action version

Co-authored-by: Yuki Iwai <[email protected]>

* Use Black 23.9.1 version

* Fix GitHub Action for Black

* Add unit test to create PyTorchJob from func

* Rename timeout to wait_timeout

* Validate that Job is not set with other input parameters

* Update black in developer guide

* Remove pip_index_url validation

* Use locals to verify input

* Print Job info when E2E fails

* Remove duplicated delete

---------

Co-authored-by: Yuki Iwai <[email protected]>

.flake8

@@ -0,0 +1,2 @@
+[flake8]
+max-line-length = 100

.github/workflows/test-python.yaml

@@ -0,0 +1,23 @@
+name: Python Test
+
+on:
+  - push
+  - pull_request
+
+jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+
+        # TODO (andreyvelich): We need to replace this action with script to do
+        # linting and formatting for Training Operator SDK.
+      - name: Check Python code with Black
+        uses: psf/black@stable
+        with:
+          version: 23.9.1
+          options: --check --exclude '/*kubeflow_org_v1*|__init__.py|api_client.py|configuration.py|exceptions.py|rest.py'
+          src: sdk/