license: change to Apache-2.0 and update related files

Author: ZCShou

Cargo.toml

@@ -1,4 +1,5 @@
 [package]
+license = "Apache-2.0"
 name = "axvm"
 version = "0.1.0"
 edition = "2024"

LICENSE.Apache2 LICENSELICENSE.Apache2 renamed to LICENSE

@@ -48,7 +48,7 @@
       "Contribution" shall mean any work of authorship, including
       the original version of the Work and any modifications or additions
       to that Work or Derivative Works thereof, that is intentionally
-      submitted to Licensor for inclusion in the Work by the copyright owner
+      submitted to the Licensor for inclusion in the Work by the copyright owner
       or by an individual or Legal Entity authorized to submit on behalf of
       the copyright owner. For the purposes of this definition, "submitted"
       means any form of electronic, verbal, or written communication sent