feat: add GitHub Actions workflow for automated release creation and update CHANGELOG.md structure

platformio.ini

@@ -8,6 +8,9 @@
 ; Please visit documentation for the other options and examples
 ; https://docs.platformio.org/page/projectconf.html
 
+[common]
+version = "1.0.2"
+
 [env:esp32dev]
 platform = espressif32
 board = esp32dev
@@ -37,7 +40,12 @@ build_flags =
     -fdata-sections
     -DNDEBUG
     -mtext-section-literals
+    '-D VERSION="${common.version}"'
 
 extra_scripts = 
-    pre:gzip_files.py
-    pre:extra_script.py
+    pre:scripts/combine_html.py
+    pre:scripts/pre_build.py
+    pre:scripts/pre_spiffs.py
+    pre:scripts/gzip_files.py
+    pre:scripts/extra_script.py
+    pre:scripts/update_changelog.py