feat(share): add share ID length setting (#677)

- Add share ID length to share > settings
- Use cryptographically secure RNG for IDs
- Use secure default value for IDs length
- Add FR and EN translation

Co-authored-by: Romain Ricard <romain.ricard@mines-ales.org>

frontend/src/i18n/translations/en-US.ts

@@ -468,6 +468,9 @@ export default {
   "admin.config.share.max-expiration": "Max expiration",
   "admin.config.share.max-expiration.description":
     "Maximum share expiration in hours. Set to 0 to allow unlimited expiration.",
+  "admin.config.share.share-id-length": "Default share ID length",
+  "admin.config.share.share-id-length.description":
+    "Default length for the generated ID of a share. This value is also used to generate links for reverse shares. A value below 8 is not considered secure.",
   "admin.config.share.max-size": "Max size",
   "admin.config.share.max-size.description": "Maximum share size in bytes",
   "admin.config.share.zip-compression-level": "Zip compression level",