Technician tool v0.5

Imported from the Google Drive folder 004-technician_tool/v0.5.

kota_tech/diag/guides.toml

@@ -379,7 +379,7 @@ severity = "critical"
 title = "SD card is unreadable or has wrong settings"
 text = "Even after re-seating, the card or its ENV.TXT cannot be used."
 actions = [
-  "Re-provision the card with the tool (SD tab, coming in v0.5) or use a new card.",
+  "Re-provision the card with the tool (SD card tab) or use a new card.",
   "The Diagnosis tab shows which step failed (card, file system or ENV.TXT keys).",
 ]