chore: add Slack CLI support

.slack/.gitignore

@@ -0,0 +1,2 @@
+apps.dev.json
+cache/

.slack/hooks.json

@@ -0,0 +1,5 @@
+{
+  "hooks": {
+    "get-hooks": "npx -q --no-install -p @slack/cli-hooks slack-cli-get-hooks"
+  }
+}

README.md

@@ -30,6 +30,35 @@ channels between the same two organizations
 Before getting started, make sure you have a development workspace where you have permissions to install apps. If you don’t have one setup, go ahead and [create one](https://slack.com/create).
 ## Installation
 
+### Using Slack CLI
+
+Install the latest version of the Slack CLI for your operating system:
+
+- [Slack CLI for macOS & Linux](https://docs.slack.dev/tools/slack-cli/guides/installing-the-slack-cli-for-mac-and-linux/)
+- [Slack CLI for Windows](https://docs.slack.dev/tools/slack-cli/guides/installing-the-slack-cli-for-windows/)
+
+You'll also need to log in if this is your first time using the Slack CLI.
+
+```sh
+slack login
+```
+
+#### Initializing the project
+
+```sh
+slack create bolt-js-slack-connect-admin --template slack-samples/bolt-js-slack-connect-admin
+cd bolt-js-slack-connect-admin
+```
+
+#### Running the app
+
+```sh
+slack run
+```
+
+<details>
+<summary><h3>Using Terminal</h3></summary>
+
 #### Create a Slack App
 
 1. Open [https://api.slack.com/apps/new](https://api.slack.com/apps/new) and choose "From an app manifest"
@@ -88,6 +117,8 @@ That's it! You now have all the info to set your environmental variables to conn
 
 `npm start`
 
+</details>
+
 ## Project Structure
 
 ### `manifest.json`

package.json

@@ -29,6 +29,7 @@
   },
   "devDependencies": {
     "@biomejs/biome": "^2.5.4",
+    "@slack/cli-hooks": "^2.0.0",
     "ngrok": "^4.3.3"
   }
 }