ENG-9484: update docs for auto setters (#6496)

* ENG-9484: update docs for auto setters

* ignore bun lock

* cleanup chat tutorial

* remove every last bit of references to automatic setters

Author: adhami3310

docs/advanced_onboarding/code_structure.md

@@ -228,6 +228,10 @@ import reflex as rx
 class State(rx.State):
     v: str = "foo"
 
+    @rx.event
+    def set_v(self, value: str):
+        self.v = value
+
 
 @lru_cache
 def foo():

docs/app/reflex_docs/templates/docpage/sidebar/sidebar_items/learn.py

@@ -149,7 +149,6 @@ def get_sidebar_items_backend():
             children=[
                 events.events_overview,
                 events.event_arguments,
-                events.setters,
                 events.yield_events,
                 events.chaining_events,
                 events.special_events,

docs/enterprise/ag_grid/theme.md

@@ -34,6 +34,10 @@ class AGGridThemeState(rx.State):
     theme: str = "quartz"
     themes: list[str] = ["quartz", "balham", "alpine", "material"]
 
+    @rx.event
+    def set_theme(self, value: str):
+        self.theme = value
+
 
 df = pd.read_csv("data/gapminder2007.csv")