Fix docs (#32)

Author: pavelzw

docs/getting-started/inlined.py

@@ -5,7 +5,7 @@
 
 @app.cell
 def __(mo):
-    mo.md("## You can also embed marimo apps inline with mkdocs!")
+    mo.md("You can also embed marimo apps inline with mkdocs!")
     return
 
 

docs/getting-started/nav_notebook.py

@@ -6,7 +6,7 @@
 @app.cell
 def __(mo):
     mo.md("""
-    ## You can link directly to marimo notebooks, in the mkdocs.yml file.
+    You can link directly to marimo notebooks, in the mkdocs.yml file.
 
     This content comes from a marimo notebook.
     """)
@@ -17,11 +17,11 @@ def __(mo):
 def __(mo):
     mo.md(
         """
-        ```markdown
+        ```yaml
         nav:
-            Examples:
-                - Simple: simple_example.py
-                - Complex: complex_example.py
+          Examples:
+            - Simple: simple_example.py
+            - Complex: complex_example.py
         ```
         """
     )