add copyright headers to some files

rslib/src/backend.rs

@@ -1,3 +1,6 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
 use crate::backend_proto as pt;
 use crate::backend_proto::backend_input::Value;
 use crate::backend_proto::RenderedTemplateReplacement;

rslib/src/err.rs

@@ -1,3 +1,6 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
 pub use failure::{Error, Fail};
 
 pub type Result<T> = std::result::Result<T, AnkiError>;

rslib/src/lib.rs

@@ -1,3 +1,6 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
 mod backend_proto;
 
 pub mod backend;

rslib/src/sched.rs

@@ -1,3 +1,6 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
 use chrono::{Date, Duration, FixedOffset, Local, TimeZone};
 
 pub struct SchedTimingToday {

rslib/src/template.rs

@@ -1,3 +1,6 @@
+// Copyright: Ankitects Pty Ltd and contributors
+// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
+
 use crate::err::{AnkiError, Result};
 use lazy_static::lazy_static;
 use nom;