feat(bin): Add link to 'age' tool from third_party.age

bin/__dispatch.sh

@@ -32,6 +32,12 @@ case "${TARGET_TOOL}" in
   rink)
     attr="third_party.rink"
     ;;
+  age)
+    attr="third_party.age"
+    ;;
+  age-keygen)
+    attr="third_party.age"
+    ;;
   *)
     echo "The tool '${TARGET_TOOL}' is currently not installed in this repository."
     exit 1

bin/age

@@ -0,0 +1 @@
+__dispatch.sh

bin/age-keygen

@@ -0,0 +1 @@
+__dispatch.sh

third_party/default.nix

@@ -19,6 +19,7 @@ let
     # Inherit the packages from nixpkgs that should be available inside
     # of the repo. They become available under `pkgs.third_party.<name>`
     inherit (nixpkgs)
+      age
       bashInteractive
       bat
       buildGoPackage