Add 1password-shell-plugins

This allows wiring up certain commands (such as `gh`, `tea`, `aws`, etc)
to get credentials from 1Password.

flake.lock

@@ -1,5 +1,30 @@
 {
   "nodes": {
+    "_1password-shell-plugins": {
+      "inputs": {
+        "flake-utils": [
+          "nixvim",
+          "devshell",
+          "flake-utils"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1716464653,
+        "narHash": "sha256-7ABtcvZf8P2axZNVV3m9LiKy1VW0lumu60sSuUOYG0o=",
+        "owner": "1Password",
+        "repo": "shell-plugins",
+        "rev": "d36189bf486ff2c4d9275c9ce29ec1aa92eaa4a7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "1Password",
+        "repo": "shell-plugins",
+        "type": "github"
+      }
+    },
     "devshell": {
       "inputs": {
         "flake-utils": "flake-utils",
@@ -265,6 +290,7 @@
     },
     "root": {
       "inputs": {
+        "_1password-shell-plugins": "_1password-shell-plugins",
         "flake-parts": "flake-parts",
         "home-manager": "home-manager",
         "nix-darwin": "nix-darwin",

flake.nix

@@ -24,6 +24,13 @@
       };
     };
 
+    # https://developer.1password.com/docs/cli/shell-plugins/nix/
+    _1password-shell-plugins = {
+      url = "github:1Password/shell-plugins";
+      inputs.nixpkgs.follows = "nixpkgs";
+      inputs.flake-utils.follows = "nixvim/devshell/flake-utils";
+    };
+
     nix-index-database.url = "github:nix-community/nix-index-database";
     nix-index-database.inputs.nixpkgs.follows = "nixpkgs";
 
@@ -158,6 +165,7 @@
                 {
                   imports = [
                     inputs.nixvim.homeManagerModules.nixvim
+                    inputs._1password-shell-plugins.hmModules.default
                   ];
 
                   home.shellAliases = {
@@ -305,6 +313,18 @@
                     ];
                   };
 
+                  programs._1password-shell-plugins = {
+                    enable = true;
+
+                    plugins = with pkgs; [
+                      gh # github
+                      cargo
+                      heroku
+                      tea # gitea
+                      glab # gitlab
+                    ];
+                  };
+
                   home.packages = with pkgs; [
                     # TODO: https://gist.github.com/axelbdt/0de9f5f9ba8a2100326b793f7bfb8658?permalink_comment_id=4977667#gistcomment-4977667
                     asdf-vm