upd LICENSE, link it in file headers

LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright © 2026 onyx-and-iris <code@onyxandiris.online>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

cmd/context.go

@@ -1,3 +1,6 @@
+/*
+LICENSE: https://github.com/onyx-and-iris/xair-cli/blob/main/LICENSE
+*/
 package cmd
 
 import (

cmd/main.go

@@ -1,3 +1,6 @@
+/*
+LICENSE: https://github.com/onyx-and-iris/xair-cli/blob/main/LICENSE
+*/
 package cmd
 
 import (

cmd/root.go

@@ -1,5 +1,5 @@
 /*
-Copyright © 2026 NAME HERE <EMAIL ADDRESS>
+LICENSE: https://github.com/onyx-and-iris/xair-cli/blob/main/LICENSE
 */
 package cmd
 

cmd/util.go

@@ -1,3 +1,6 @@
+/*
+LICENSE: https://github.com/onyx-and-iris/xair-cli/blob/main/LICENSE
+*/
 package cmd
 
 import (

internal/xair/client.go

@@ -1,3 +1,6 @@
+/*
+LICENSE: https://github.com/onyx-and-iris/xair-cli/blob/main/LICENSE
+*/
 package xair
 
 import (

internal/xair/models.go

@@ -1,3 +1,6 @@
+/*
+LICENSE: https://github.com/onyx-and-iris/xair-cli/blob/main/LICENSE
+*/
 package xair
 
 type InfoResponse struct {

internal/xair/parser.go

@@ -1,3 +1,6 @@
+/*
+LICENSE: https://github.com/onyx-and-iris/xair-cli/blob/main/LICENSE
+*/
 package xair
 
 import (

internal/xair/util.go

@@ -1,3 +1,6 @@
+/*
+LICENSE: https://github.com/onyx-and-iris/xair-cli/blob/main/LICENSE
+*/
 package xair
 
 import "math"

main.go

@@ -1,5 +1,5 @@
 /*
-Copyright © 2026 onyx-and-iris <code@onyxandiris.online>
+LICENSE: https://github.com/onyx-and-iris/xair-cli/blob/main/LICENSE
 */
 package main