🌐 Sync Translations + Update README Progress Table (#3617)

### Description of Changes

This Pull Request was automatically generated to synchronize updates to
translation files and documentation. Below are the details of the
changes made:

#### **1. Synchronization of Translation Files**
- Updated translation files (`messages_*.properties`) to reflect changes
in the reference file `messages_en_GB.properties`.
- Ensured consistency and synchronization across all supported language
files.
- Highlighted any missing or incomplete translations.

#### **2. Update README.md**
- Generated the translation progress table in `README.md`.
- Added a summary of the current translation status for all supported
languages.
- Included up-to-date statistics on translation coverage.

#### **Why these changes are necessary**
- Keeps translation files aligned with the latest reference updates.
- Ensures the documentation reflects the current translation progress.

---

Auto-generated by [create-pull-request][1].

[1]: https://github.com/peter-evans/create-pull-request

---------

Co-authored-by: stirlingbot[bot] <195170888+stirlingbot[bot]@users.noreply.github.com>

src/main/resources/messages_ja_JP.properties

@@ -1569,3 +1569,38 @@ cookieBanner.preferencesModal.necessary.description=これらのCookieはウェ
 cookieBanner.preferencesModal.analytics.title=分析
 cookieBanner.preferencesModal.analytics.description=これらのCookieはツールがどのように使用されているかを把握するのに役立ちます。これによりコミュニティが最も重視する機能の開発に集中することができます。ご安心ください。Stirling PDFはお客様が操作するドキュメントの内容を追跡することは決してありません。
 
+#fakeScan
+fakeScan.title=Fake Scan
+fakeScan.header=Fake Scan
+fakeScan.description=Create a PDF that looks like it was scanned
+fakeScan.selectPDF=Select PDF:
+fakeScan.quality=Scan Quality
+fakeScan.quality.low=Low
+fakeScan.quality.medium=Medium
+fakeScan.quality.high=High
+fakeScan.rotation=Rotation Angle
+fakeScan.rotation.none=None
+fakeScan.rotation.slight=Slight
+fakeScan.rotation.moderate=Moderate
+fakeScan.rotation.severe=Severe
+fakeScan.submit=Create Fake Scan
+
+#home.fakeScan
+home.fakeScan.title=Fake Scan
+home.fakeScan.desc=Create a PDF that looks like it was scanned
+fakeScan.tags=scan,simulate,realistic,convert
+
+# FakeScan advanced settings (frontend)
+fakeScan.advancedSettings=Enable Advanced Scan Settings
+fakeScan.colorspace=Colorspace
+fakeScan.colorspace.grayscale=Grayscale
+fakeScan.colorspace.color=Color
+fakeScan.border=Border (px)
+fakeScan.rotate=Base Rotation (degrees)
+fakeScan.rotateVariance=Rotation Variance (degrees)
+fakeScan.brightness=Brightness
+fakeScan.contrast=Contrast
+fakeScan.blur=Blur
+fakeScan.noise=Noise
+fakeScan.yellowish=Yellowish (simulate old paper)
+fakeScan.resolution=Resolution (DPI)