chore: postgres support on readme

README.md

@@ -1,6 +1,6 @@
 # SQLite Studio
 
-Single binary, single command SQLite database explorer. SQLite studio supports opening both *local SQLite DB files* and *libSQL servers*.
+Single binary, single command SQLite database explorer. SQLite studio supports opening both *local SQLite DB files*, *libSQL servers* and *PostgreSQL*.
 
 ### Local SQLite DB File
 
@@ -14,6 +14,12 @@ sqlite-studio sqlite [sqlite_db]
 sqlite-studio libsql [url] [auth_token]
 ```
 
+### PostgreSQL Server
+
+```bash
+sqlite-studio postgres [url]
+```
+
 ## Features
 
 - Overview page with common metadata.

src/main.rs

@@ -34,7 +34,7 @@ enum Command {
         auth_token: String,
     },
 
-    /// A postgresql database.
+    /// A PostgreSQL database.
     Postgres {
         /// postgresql connection url [postgresql://postgres:[email protected]/sample]
         url: String,