feat: boot manager, provisioning server, node stubs v0.3.0

.gitignore

@@ -1,17 +1,22 @@
-# MicroPython compiled
-*.mpy
-
-# Secrets
-wifi_config.py
-config.py
+# Runtime files generated on device — never commit
 config.json
-tenant_*.py
+identity_seed.bin
+identity_pk.b64
+identity_jwt.txt
+identity_node_uid.txt
 
-# OS
-.DS_Store
-Thumbs.db
+# Duplicates / backups
+*.copy
+*copy*
 
-# IDE
+# Dev junk
+blink.py
+oled_test.py
+wifitest.py
+test.py
+test_*.py
+
+# VSCode
 .vscode/
-.idea/
-__pycache__/
+*.code-workspace
+.micropico