Fix formatting of __init__.py comments in documentation

Author: binyamin555

docs/examples/overview.md

@@ -53,7 +53,7 @@ examples/
     ├── a/                  # Plugin A
     │   ├── plugin.json     # Metadata
     │   ├── plugin.py       # Entrypoint
-    │   └── __init__.py     # Public API
+    │   └── __init__.py   # Public API
     └── b/                  # Plugin B
         ├── plugin.json
         ├── plugin.py

docs/guide/context-api.md

@@ -156,11 +156,11 @@ Typical plugin structure:
 my_plugin/
   ├── plugin.json          # Metadata
   ├── plugin.py            # Entrypoint (initialization)
-  ├── __init__.py          # Public API
+  ├── __init__.py        # Public API
   └── internal.py          # Internal modules
 ```
 
-### __init__.py Pattern
+### \_\_init\_\_.py Pattern
 
 Export your public API from `__init__.py`:
 

docs/guide/creating-plugins.md

@@ -1,4 +1,4 @@
-# Creating Plugins
+# Creating Plugins ???
 
 Learn how to create well-structured plugins for PKL.
 
@@ -18,7 +18,7 @@ A complete plugin:
 my_plugin/
 ├── plugin.json      # Metadata
 ├── plugin.py        # Entrypoint
-├── __init__.py      # Public API
+├── __init__.py    # Public API
 ├── internal.py      # Internal modules
 └── subplugins/      # Child plugins (optional)
 ```
@@ -66,7 +66,7 @@ def cleanup():
     log.info("Cleaning up!")
 ```
 
-### Public API (__init__.py)
+### Public API (\_\_init\_\_.py)
 
 Export your public API: