docs: Nav reorg (#5236)

* docs: Nav consolidation

* nav

* reorg

* fix links

* fix

* prebuilts

* fix spelling

* reorg

* reorg

docs/uv.lock

@@ -2590,7 +2590,7 @@ wheels = [
 
 [[package]]
 name = "langgraph"
-version = "0.5.0rc1"
+version = "0.5.0"
 source = { editable = "../libs/langgraph" }
 dependencies = [
     { name = "langchain-core" },
@@ -2894,7 +2894,7 @@ test = [
 
 [[package]]
 name = "langgraph-prebuilt"
-version = "0.5.0rc0"
+version = "0.5.1"
 source = { editable = "../libs/prebuilt" }
 dependencies = [
     { name = "langchain-core" },
@@ -2925,7 +2925,7 @@ dev = [
 
 [[package]]
 name = "langgraph-sdk"
-version = "0.1.70"
+version = "0.1.72"
 source = { editable = "../libs/sdk-py" }
 dependencies = [
     { name = "httpx" },