Add transcriptions of letters from Jules Herbovy (1893-1895)

- Created new files for letters dated from February 16, 1893 to January 19, 1895.
- Included personal updates, health concerns, and family matters.
- Highlighted ongoing issues related to professional reinstatement and administrative challenges.

transcriptions/1883-12-21.md

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+# Lettre du 21 décembre 1883
+
+*À bord de l'Armoricque, en vue de Concarneau (Finistère)*
+
+Ma chère Marie,
+
+[Transcription du contenu manuscrit de la lettre du 21 décembre 1883...]