create a simple instruction

README.md

@@ -1,2 +1,40 @@
-# campanula
+# Campanula
 Receive and send messages through Gammu server and Telegram messenger interface
+
+## Preparation
+1. **Ubuntu** linux distributive
+2. Any **SIM-modem**, for example **[SIM900](https://ali.click/xxe9vh?erid=2SDnjdoLMq2)**
+</br><sub><sup>Реклама: ООО "АЛИБАБА.КОМ (РУ)" ИНН: 7703380158</sup></sub>
+3. **UART** → **USB** adapter
+4. **[Gammu](https://docs.gammu.org/smsd/smsd.html)** installed and configured
+
+## Installation
+
+### Download the repository and its dependencies
+```bash
+cd /var/www
+git clone https://git.svoboda.works/garden/campanula
+cd campanula
+composer update
+```
+
+### Edit settings files
+```bash
+cd garden/campanula/system/settings
+nvim system.php
+nvim telegram.php
+nvim gammu.php
+```
+
+### Test manually launch
+```bash
+cd ../public
+php telegram_week.php
+```
+*The robot will send a message only if you have already started a conversation with it* 
+
+### Write script launch into crontab
+```bash
+cat ../../../../examples/crontab/records.sh
+sudo crontab -e 
+```