docs: update README with detailed configuration and usage instructions

README.md

@@ -1,20 +1,20 @@
 # INWX DNS TUI Client
 
-Python ane **Textual** no upyog kari banavavama aavelo ek aadhunik, clickable Terminal User Interface (TUI) client, jena thi tame INWX na DNS records ane domains ne sahelta thi manage kari shako chho.
+A modern, interactive Terminal User Interface (TUI) client built with Python and **Textual** to manage INWX domains and DNS records directly from your terminal.
 
 ## Features
 
-- **Clickable GUI in Terminal**: Mouse ane keyboard shortcuts banne dwara chalavi shakay chhe.
-- **Domain Overview**: Login thaya pachhi account ma rahela badha domains automatic left sidebar ma load thai jaay chhe.
-- **DNS Records Management**:
-  - DNS records jova (A, AAAA, CNAME, MX, TXT, SRV, CAA, NS, PTR, vagere).
-  - Double-click athva `Enter` dabavi ne record edit karvo.
-  - Nava records dropdown menu ane custom input sathe add karva.
-  - Records delete ane live refresh karva.
-- **2FA / TOTP Support**:
-  - Jo account ma 2FA chalu hoy to j code mangshe.
-  - `.env` ma TOTP secret mukine automatic unlock pan kari shakay chhe.
-- **Non-blocking Workers**: Background async workers lidhe API call vakhte UI freeze thatu nathi.
+- **Interactive Terminal UI**: Full mouse support and intuitive keyboard navigation.
+- **Automatic Domain Discovery**: Automatically retrieves and lists all configured domains in a dedicated sidebar upon login.
+- **Complete DNS Record Management**:
+  - View DNS records (A, AAAA, CNAME, MX, TXT, SRV, CAA, NS, PTR, etc.).
+  - Quick inline editing via mouse double-click or `Enter`.
+  - Add new records using a dropdown preset or custom type input.
+  - Delete records with confirmation.
+- **Conditional 2FA / TOTP Support**:
+  - Only prompts for a 2FA code if two-factor authentication is active on the account.
+  - Supports automatic 2FA unlocking via a TOTP secret stored in `.env`.
+- **Responsive Non-blocking UI**: API calls run on background worker threads to keep the interface smooth and responsive.
 
 ---
 
@@ -22,13 +22,14 @@ Python ane **Textual** no upyog kari banavavama aavelo ek aadhunik, clickable Te
 
 ```text
 inwx_tui/
-├── .env                  # INWX API credentials ane config
-├── inwx_api.py           # INWX JSON-RPC API logic ane session management
-├── tui_modals.py         # Modal popups (Login, 2FA prompt, Record Edit/Add)
-├── tui_app.py            # Textual TUI main interface ane event handling
-├── main.py               # Application start karvani entrypoint script
+├── .env                  # INWX API credentials and configuration (ignored by git)
+├── inwx_api.py           # INWX JSON-RPC API logic, session handling, and 2FA
+├── tui_modals.py         # Modal dialog screens (Login, 2FA prompt, Record Edit/Add)
+├── tui_app.py            # Main Textual TUI layout, styles, and event handling
+├── main.py               # Application entrypoint
 └── README.md             # Project documentation
 ```
+
 ## Requirements
 
 Python 3.10+
@@ -38,6 +39,21 @@ Linux / macOS / WSL (Windows Terminal)
 ```bash
 pip install textual python-dotenv requests pyotp
 ```
+
+## Configuration
+
+You can provide your credentials in a .env file in the project root to bypass manual login:
+
+```bash
+# INWX Account Credentials
+INWX_USER=your_username
+INWX_PASS=your_password
+
+# Optional: TOTP Secret Key (Base32) for automatic 2FA unlock
+# If left empty, an interactive 6-digit TAN modal will appear when required.
+INWX_2FA_SECRET=
+```
+
 ## Usage
 
 ```bash