treewide: add license header and enable haslicense linter
Change-Id: I873a8d4082d75e8f813d8a726a41187eea7a065e
Reviewed-on: https://review.monogon.dev/c/monogon/+/3825
Tested-by: Jenkins CI
Reviewed-by: Leopold Schabel <leo@monogon.tech>
diff --git a/metropolis/node/core/tconsole/colors.go b/metropolis/node/core/tconsole/colors.go
index d1d5793..b488d92 100644
--- a/metropolis/node/core/tconsole/colors.go
+++ b/metropolis/node/core/tconsole/colors.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
package tconsole
import (
diff --git a/metropolis/node/core/tconsole/draw.go b/metropolis/node/core/tconsole/draw.go
index 4fec256..2c0979e 100644
--- a/metropolis/node/core/tconsole/draw.go
+++ b/metropolis/node/core/tconsole/draw.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
package tconsole
import (
diff --git a/metropolis/node/core/tconsole/page_logs.go b/metropolis/node/core/tconsole/page_logs.go
index d408d4d..525b4ce 100644
--- a/metropolis/node/core/tconsole/page_logs.go
+++ b/metropolis/node/core/tconsole/page_logs.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
package tconsole
import "github.com/gdamore/tcell/v2"
diff --git a/metropolis/node/core/tconsole/page_status.go b/metropolis/node/core/tconsole/page_status.go
index fbf4649..2843ddf 100644
--- a/metropolis/node/core/tconsole/page_status.go
+++ b/metropolis/node/core/tconsole/page_status.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
package tconsole
import (
diff --git a/metropolis/node/core/tconsole/standalone/main.go b/metropolis/node/core/tconsole/standalone/main.go
index d01ab4f..d9ceb18 100644
--- a/metropolis/node/core/tconsole/standalone/main.go
+++ b/metropolis/node/core/tconsole/standalone/main.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
package main
// This is a standalone tconsole test application which works independently from
diff --git a/metropolis/node/core/tconsole/statusbar.go b/metropolis/node/core/tconsole/statusbar.go
index 06841c2..09ef10d 100644
--- a/metropolis/node/core/tconsole/statusbar.go
+++ b/metropolis/node/core/tconsole/statusbar.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
package tconsole
import (
diff --git a/metropolis/node/core/tconsole/tconsole.go b/metropolis/node/core/tconsole/tconsole.go
index b83a261..aa3df7b 100644
--- a/metropolis/node/core/tconsole/tconsole.go
+++ b/metropolis/node/core/tconsole/tconsole.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
package tconsole
import (