feat: Add Tasmota ESP-01 configuration walkthrough and a .gitignore file.

.gitignore

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+.env
+__pycache__/
+*.py[cod]
+*$py.class

walkthrough.md

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+# ESP-01 Tasmota Configuration Walkthrough
+
+This document summarizes the final working configuration for the ESP-01 module flashed with Tasmota.
+
+## Hardware Setup
+- **Device**: ESP-01 (ESP8266)
+- **Pin GPIO0**: Relay 1
+- **Pin GPIO1 (TX)**: **Relay_i 2** (Visual LED)
+- **Pin GPIO2**: Button 1
+
+## Firmware Installation
+Successfully flashed `tasmota.bin` (ESP8266 image).
+
+## Multi-function Timer Button
+The physical button (Button1) is configured to handle two separate timer durations and uses the LED (Relay2) for visual feedback.
+
+### Final Rule Logic
+```text
+Rule1 
+  ON Button1#Action=SINGLE DO Backlog Var1 700; Var2 2; Power1 2 ENDON 
+  ON Button1#Action=HOLD DO Backlog Var1 5500; Var2 10; Power1 2 ENDON 
+  ON Power1#State=1 DO Backlog PulseTime1 %Var1%; BlinkTime2 %Var2%; BlinkCount2 0; Power2 3 ENDON 
+  ON Power1#State=0 DO Power2 0 ENDON
+```
+
+### Behavior Summary
+| Action | Current State | Outcome | LED (Relay2) |
+| :--- | :--- | :--- | :--- |
+| **Single Click** | OFF | **ON** for **10m** | **Fast Blink** (0.2s) |
+| **Long Press (2s)** | OFF | **ON** for **1.5h** | **Slow Blink** (1.0s) |
+| **Any Action** | ON | **OFF** immediately | **OFF** |
+
+## MQTT & Home Assistant Integration
+- **Server**: `mqtt.oncloud.my.id`
+- **Topic**: `sutana_2543DB`
+- **HA Integration**: Auto-Discovery via MQTT.
+
+## Verification Status
+- [x] **Flashing**: Verified.
+- [x] **MQTT**: Verified via Python test script.
+- [x] **Timer Rules**: Verified via Tasmota Console logs.
+- [x] **LED Visualization**: Simplified via Relay2 mapping and verified.