feat[config]: Use toml for configs

Readme.md

@@ -31,15 +31,7 @@ It is slightly ancient solution for modern Docker/Kubernetes backends,
 but provides configuration in one place and _secure enough_ place to save token.
 
 
-Example config:
-```ini
-[main]
-endpoint=https://example.com
-token=XXXXX
-format={owner}/{name}
-out_dir=/home/user/repositories
-ssh_key=/home/user/id_rsa
-```
+Example config is available in [config.example.toml](config.example.toml).
 
 
 ### Native
@@ -50,9 +42,9 @@ removing the ability to specify a user
 2. Install dependencies (`pip3 install -r requirements.txt`).
   Venv-level is recommended.
 3. Install git (`sudo apt install git`)
-4. And run it with path to ini config.
+4. And run it with path to TOML config.
 ```bash
-python gitea-mirror.py config.ini
+python gitea-mirror.py config.toml
 ```