Add basic backend infrastructure

Signed-off-by: Felipe Cardoso <felipe.cardoso@hotmail.it>

backend/app/core/config.py

@@ -0,0 +1,21 @@
+from pydantic_settings import BaseSettings
+
+
+class Settings(BaseSettings):
+    # SFTP Settings
+    SFTP_HOST: str
+    SFTP_USER: str
+    SFTP_PASSWORD: str
+    SFTP_PATH: str
+    SFTP_PORT: int = 22
+
+    # API Settings
+    API_VER_STR: str = "/api/v1"
+    PROJECT_NAME: str = "Training Monitor"
+
+    class Config:
+        env_file = ".env"
+        case_sensitive = True
+
+
+settings = Settings()