feat: clearer import-probe wording, tooltips, translatable titles (v3.6.43)

The probe's checkbox described the mechanism ('Rewrite the CAP's import
versions before the load'); it now reads 'Enable import probe' (purpose
first) with the mechanism in a tooltip, and the field carries two short
hint lines: what the card checks while loading, and the workflow (Set all
0.0 first; if the LOAD passes the list was the cause, then restore one
line at a time to find the package/version the card lacks).

Static tooltips are translatable now via data-l10n-title (handled by
translatePage, checked against LANG_RU by html.test.js together with
data-l10n); the help's RAM-install section documents the two-step
workflow (EN/RU).

sw cache simple-v316; tests: 530 Python / 676 Node.

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "pysim-simple-server"
-version = "3.6.42"
+version = "3.6.43"
 description = "HTTP REST server wrapping pysim for the SIMple PWA"
 requires-python = ">=3.8"
 # pysim is a git-only dependency installed explicitly by setup.bat/setup.sh.