feat: update module path

- modify go.mod to reflect the new module path
- update config file path in the main function
- adjust import statements in various internal packages
- add install instructions to README

🤖

internal/websocket/receive.go

@@ -1,8 +1,8 @@
 package websocket
 
 import (
-	"ChronoTomato/internal/notifications"
-	"ChronoTomato/internal/shared"
+	"git.smsvc.net/pomodoro/ChronoTomato/internal/notifications"
+	"git.smsvc.net/pomodoro/ChronoTomato/internal/shared"
 	"encoding/json"
 	"fmt"
 	"github.com/charmbracelet/log"