Updated the manifest to meet add-on store submission criteria.

buildVars.py

@@ -37,7 +37,9 @@ def _(arg):
 	# Documentation file name
 	"addon_docFileName": "readme.html",
 	# Minimum NVDA version supported (e.g. "2018.3.0", minor version is optional)
-	"addon_minimumNVDAVersion": 2018.3,
+	# Note: min version supported by this add-on is 2018.3; however for integration in the add-on store, an
+	# API version is required.
+	"addon_minimumNVDAVersion": "0.0.0",
 	# Last NVDA version supported/tested (e.g. "2018.4.0", ideally more recent than minimum version)
 	"addon_lastTestedNVDAVersion": 2023.1,
 	# Add-on update channel (default is None, denoting stable releases,