Adding environment setup and instructions

prepare_config.py

@@ -0,0 +1,10 @@
+import json
+
+with open("settings.json") as f:
+    cfg = json.load(f)
+
+with open("project_settings.cmake", "w") as out:
+    out.write(f'set(PROJECT_NAME "{cfg["project_name"]}")\n')
+    out.write(f'set(CHIP "{cfg["chip"]}")\n')
+    out.write(f'set(PORT "{cfg["port"]}")\n')
+    out.write(f'set(BAUD "{cfg["baud"]}")\n')