[Core] Allow users to specify the classpath and import path (#10560)

* move job resource path to job config

* job resource path support list

* job resource path support for python

* fix job_resource_path support

* fix worker command

* fix job config

* use jar file instead of parent path

* fix job resource path

* add test to test.sh

* lint

* Update java/runtime/src/main/resources/ray.default.conf

Co-authored-by: Kai Yang <kfstorm@outlook.com>

* fix testGetFunctionFromLocalResource

* lint

* fix rebase

* add jars in resource path to classloader

* add job_resource_path to worker

* add ray stop

* rename job_resource_path to resource_path

* fix resource_path

* refine resource_path comments

* rename job resource path to code search path

* Add instruction about starting a cross-language cluster

* fix ClassLoaderTest.java

* add code-search-path to RunManager

* refine comments for code-search-path

* rename resourcePath to codeSearchPath

* Update doc

* fix

* rename resourcePath to codeSearchPath

* update doc

* filter out empty path

* fix comments

* fix comments

* fix tests

* revert pom

* lint

* fix doc

* update doc

* Apply suggestions from code review

* lint

Co-authored-by: Kai Yang <kfstorm@outlook.com>
Co-authored-by: Hao Chen <chenh1024@gmail.com>

python/ray/parameter.py

@@ -147,7 +147,8 @@ class RayParams:
                  metrics_agent_port=None,
                  metrics_export_port=None,
                  lru_evict=False,
-                 object_spilling_config=None):
+                 object_spilling_config=None,
+                 code_search_path=None):
         self.object_ref_seed = object_ref_seed
         self.redis_address = redis_address
         self.num_cpus = num_cpus
@@ -194,6 +195,9 @@ class RayParams:
         self._enable_object_reconstruction = enable_object_reconstruction
         self.object_spilling_config = object_spilling_config
         self._check_usage()
+        self.code_search_path = code_search_path
+        if code_search_path is None:
+            self.code_search_path = []
 
         # Set the internal config options for LRU eviction.
         if lru_evict: