Add safe-transmute project group (#194)

* add safe-transmute project group

* Update wg-safe-transmute.md

* Rename wg-safe-transmute.md to wg-safe-transmute.toml

Co-authored-by: Niko Matsakis <niko@alum.mit.edu>

Author: rylev

teams/wg-safe-transmute.toml

@@ -0,0 +1,18 @@
+name = "wg-safe-transmute"
+subteam-of = "lang"
+wg = true
+
+[people]
+leads = ["rylev", "joshtriplett"]
+members = [
+    "rylev",
+    "joshtriplett",
+]
+
+[website]
+name = "safe-transmute project group"
+description = "A working-group project to extend the Rust language to support safe transmute between types"
+repo = "https://github.com/rust-lang/project-safe-transmute"
+
+[github]
+orgs = ["rust-lang"]