docs: french (#1905)

* Lang subfolder ; SERVER_fr.md ; fix minor typos

* fix the fix

* fix img src

* CONTRIBUTING_fr

* SQL_fr ; fix rev date

* WEBRTC_fr.md ; rev date

* CLI_fr ; rev date

* fix table content link and sum img src

* fix

* fixing the fix

am i dumb?

* polishing...

* README_fr.md (save)

* Update README_fr.md

* README_fr ; starting SIMPLEX_FR ; link fix

* update README (en+fr)

* Blog README_fr ; translators link

* typo

* SIMPLEX_fr ; fixes

* last fixes

* rename folder

* rename files/links

* update line

* remove ...

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Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>

docs/SQL.md

@@ -1,4 +1,8 @@
-# Decrypting databases
+| Updated 31.01.2023 | Languages: EN, [FR](/docs/lang/fr/SQL.md) |
+
+# Accessing messages in the database
+
+## Decrypting databases
 
 In order to view database data you need to decrypt it first. Install `sqlcipher` using your favorite package manager and run the following commands in the directory with databases:
 ```bash
@@ -10,7 +14,7 @@ select * from users;
 
 If you see `Parse error: no such table: users`, make sure you entered correct passphrase, and you have changed passphrase from random in Android app (if you got this database from Android device, of course).
 
-# Accessing message history via SQL queries
+## SQL queries
 
 You can run queries against `direct_messages`, `group_messages` and `all_messages` (or their simpler alternatives `direct_messages_plain`, `group_messages_plain` and `all_messages_plain`), for example: