passage du readme en markdown

Cargo.toml

@@ -5,7 +5,7 @@ edition = "2024"
 authors = ["Harupi <hvrupi@proton.me>"]
 license = "MIT"
 description = "A tool to generate SQL insertion commands"
-readme = "README"
+readme = "README.md"
 homepage = "https://github.com/Hvrnbi/sql-generustor"
 repository = "https://github.com/Hvrnbi/sql-generustor"
 keywords = ["cli", "sql", "generation", "insert", "insertion"]