Rp2040 pio ledstrip (#4818)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

esphome/writer.py

@@ -299,6 +299,16 @@ def copy_src_tree():
 
         copy_files()
 
+    elif CORE.is_rp2040:
+        from esphome.components.rp2040 import copy_files
+
+        (pio) = copy_files()
+        if pio:
+            write_file_if_changed(
+                CORE.relative_src_path("esphome.h"),
+                ESPHOME_H_FORMAT.format(include_s + '\n#include "pio_includes.h"'),
+            )
+
 
 def generate_defines_h():
     define_content_l = [x.as_macro for x in CORE.defines]