fix #232: [FR] support l template (Sourcery refactored)

[sourcery-ai]

Pull Request #233 refactored by Sourcery.

Since the original Pull Request was opened as a fork in a contributor's
repository, we are unable to create a Pull Request branching from it.

To incorporate these changes, you can either:

1. Merge this Pull Request instead of the original, or

2. Ask your contributor to locally incorporate these commits and push them to
   the original Pull Request

   Incorporate changes via command line

   git fetch https://github.com/BoboTiG/ebook-reader-dict pull/233/head
   git merge --ff-only FETCH_HEAD
   git push

NOTE: As code is pushed to the original Pull Request, Sourcery will
re-run and update (force-push) this Pull Request with new refactorings as
necessary. If Sourcery finds no refactorings at any point, this Pull Request
will be closed automatically.

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[sourcery-ai]

Sourcery Code Quality Report

Merging this PR leaves code quality unchanged.

Quality metrics	Before	After	Change
Complexity	112.67 ⛔	111.80 ⛔	-0.87 👍
Method Length	552.33 ⛔	552.33 ⛔	0.00
Working memory	67.08 ⛔	67.08 ⛔	0.00
Quality	7.26% ⛔	7.26% ⛔	0.00%

Other metrics	Before	After	Change
Lines	890	892	2

Changed files	Quality Before	Quality After	Quality Change
scripts/lang/fr/init.py	7.26% ⛔	7.26% ⛔	0.00%

Here are some functions in these files that still need a tune-up:

File	Function	Complexity	Length	Working Memory	Quality	Recommendation
scripts/lang/fr/init.py	last_template_handler	129 ⛔	825 ⛔	25 ⛔	1.96% ⛔	Refactor to reduce nesting. Try splitting into smaller methods. Extract out complex expressions

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[lasconic]

Adressed in #244