add: simplified import statements for the codeflare-sdk

Author: VanillaSpoon

src/codeflare_sdk/__init__.py

@@ -0,0 +1,18 @@
+from .cluster import (
+    Authentication,
+    KubeConfiguration,
+    TokenAuthentication,
+    KubeConfigFileAuthentication,
+    AWManager,
+    Cluster,
+    ClusterConfiguration,
+    RayClusterStatus,
+    AppWrapperStatus,
+    CodeFlareClusterStatus,
+    RayCluster,
+    AppWrapper,
+)
+
+from .job import JobDefinition, Job, DDPJobDefinition, DDPJob, RayJobClient
+
+from .utils import generate_cert

src/codeflare_sdk/cluster/__init__.py

@@ -0,0 +1,18 @@
+from .auth import (
+    Authentication,
+    KubeConfiguration,
+    TokenAuthentication,
+    KubeConfigFileAuthentication,
+)
+
+from .model import (
+    RayClusterStatus,
+    AppWrapperStatus,
+    CodeFlareClusterStatus,
+    RayCluster,
+    AppWrapper,
+)
+
+from .cluster import Cluster, ClusterConfiguration
+
+from .awload import AWManager

src/codeflare_sdk/job/__init__.py

@@ -0,0 +1,3 @@
+from .jobs import JobDefinition, Job, DDPJobDefinition, DDPJob
+
+from .ray_jobs import RayJobClient