Get genai utils sphinx docs building

Author: aabmass

docs/conf.py

@@ -67,13 +67,20 @@
     for f in listdir(resource)
     if isdir(join(resource, f))
 ]
+util = "../util"
+util_dirs = [
+    os.path.abspath("/".join([util, f, "src"]))
+    for f in listdir(util)
+    if isdir(join(util, f))
+]
 sys.path[:0] = (
     exp_dirs
     + instr_dirs
     + instr_genai_dirs
     + sdk_ext_dirs
     + prop_dirs
     + resource_dirs
+    + util_dirs
 )
 
 # -- Project information -----------------------------------------------------

docs/instrumentation-genai/util.rst

@@ -0,0 +1,17 @@
+OpenTelemetry Python - GenAI Util
+=================================
+
+.. automodule:: opentelemetry.util.genai
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+.. automodule:: opentelemetry.util.genai.utils
+    :members:
+    :undoc-members:
+    :show-inheritance:
+
+.. automodule:: opentelemetry.util.genai.types
+    :members:
+    :undoc-members:
+    :show-inheritance: