Rename OpenDevin to OpenHands (#3472)

* Replace OpenDevin with OpenHands

* Update CONTRIBUTING.md

* Update README.md

* Update README.md

* update poetry lock; move opendevin folder to openhands

* fix env var

* revert image references in docs

* revert permissions

* revert permissions

---------

Co-authored-by: Xingyao Wang <xingyao6@illinois.edu>

openhands/runtime/__init__.py

@@ -0,0 +1,21 @@
+from .e2b.sandbox import E2BBox
+
+
+def get_runtime_cls(name: str):
+    # Local imports to avoid circular imports
+    if name == 'eventstream':
+        from .client.runtime import EventStreamRuntime
+
+        return EventStreamRuntime
+    elif name == 'e2b':
+        from .e2b.runtime import E2BRuntime
+
+        return E2BRuntime
+    else:
+        raise ValueError(f'Runtime {name} not supported')
+
+
+__all__ = [
+    'E2BBox',
+    'get_runtime_cls',
+]