Merge #396: Add git committers file

e6830d9 Add a CODEOWNERS file to the project. (Tobin C. Harding)

Pull request description:

  Add a CODEOWNERS file to the project.

  - Andrew for `jsonrpc` because its his crate.
  - Jamil for `types` and `client` because he wrote much of the code it `types`.
  - Ricardo for `node` because its his crate.
  - Leo for `bitreq` because he offered to help maintain in at the Rust Bitcoin Summit.
  - Matt and tnull for `bitreq` because they offered below.

  This PR will need explicit acks from each of these devs please.

ACKs for top commit:
  tnull:
    ACK e6830d9
  TheBlueMatt:
    ACK (at least the bitreq part) e6830d9
  apoelstra:
    re-ut-ACK e6830d9
  jamillambert:
    ACK e6830d9

Tree-SHA512: f44a853ff6118274c3f155c5a8057334f58b879799fa470cb1473ce2f5b4178dd1fffc4c4b7d4a20f4dce3328795e6eecb3509dcc206bb939a9acf15a24f0535

Author: tcharding

CODEOWNERS

@@ -0,0 +1,10 @@
+# Default owners for everything in the repo
+*       @tcharding
+
+# Owners for specific directories
+/bitreq/        @oleonardolima @TheBlueMatt @tnull
+/client/        @jamillambert
+/jsonrpc/       @apoelstra
+/node/          @RCasatta
+/types/         @jamillambert
+