docs: weekday in readme and sample config

README.md

@@ -46,16 +46,20 @@ Create a `config.yml` file in the same directory as the binary (or `/etc/scron/`
 
 ### Basic Configuration
 
+Optionally, you can specify the `weekday` field (0=Sunday, 1=Monday, ..., 6=Saturday) to restrict jobs to specific days of the week.
+
 ```yaml
 jobs:
   - name: "System Health Check"
     minute: "*/5"
     hour: "*"
+    weekday: "*"
     command: "curl -f http://localhost:8080/health || exit 1"
   
   - name: "Daily Backup"
     minute: "0"
     hour: "2"
+    weekday: "*"
     command: "/usr/local/bin/backup.sh"
 ```
 
@@ -98,19 +102,21 @@ jobs:
   - name: "Database Backup"
     minute: "0"
     hour: "3"
+    weekday: "*"
     command: "pg_dump mydb > /backup/mydb_$(date +%Y%m%d).sql"
     notification: default
   
   - name: "Critical Service Monitor"
     minute: "*/1"
     hour: "*"
+    weekday: "*"
     command: "systemctl is-active nginx || exit 1"
     notification: critical-only
 ```
 
-## Time Pattern Syntax
+## Time Pattern Syntax (minute, hour, and optional weekday)
 
-SCRON supports flexible cron-like time patterns for both minutes (0-59) and hours (0-23):
+SCRON supports flexible cron-like time patterns for minutes (0-59), hours (0-23), and optional weekdays (0-6). 0 is Sunday, 1 is Monday, and so on:
 
 | Pattern | Description | Example |
 |---------|-------------|---------|
@@ -130,33 +136,49 @@ jobs:
   - name: "Heartbeat"
     minute: "*"
     hour: "*"
+    weekday: "*"
     command: "echo 'alive'"
 
   # Every 5 minutes
   - name: "Frequent Check"
     minute: "*/5"
     hour: "*"
+    weekday: "*"
     command: "check-service.sh"
 
   # At specific minutes
   - name: "Quarter Hours"
     minute: "0,15,30,45"
     hour: "*"
+    weekday: "*"
     command: "quarter-hour-task.sh"
 
   # Business hours only (9 AM - 5 PM)
   - name: "Business Task"
     minute: "0"
     hour: "9-17"
+    weekday: "*"
     command: "business-process.sh"
 
   # Complex schedule
   - name: "Complex Task"
     minute: "5-55/10"  # At 5, 15, 25, 35, 45, 55
     hour: "8-18/2"     # Every 2 hours from 8 AM to 6 PM
+    weekday: "*"
     command: "complex-task.sh"
 ```
 
+### Weekday Field Example
+
+```yaml
+jobs:
+  - name: "Weekday Task"
+    minute: "0"
+    hour: "9"
+    weekday: "1-5"  # Monday to Friday
+    command: "weekday-task.sh"
+```
+
 ## Notification Configuration
 
 ### Gotify Configuration

config.yml.example

@@ -2,4 +2,5 @@ jobs:
 - name: "Test"
   minute: "*"
   hour: "*"
+  weekday: "*"
   command: "echo 'Juhu'"