feat: add work flow

.github/main.workflow

@@ -0,0 +1,13 @@
+workflow "Send Notification" {
+  on = "push"
+  resolves = ["Post message to Telegram"]
+}
+
+action "Post message to Telegram" {
+  uses = "appleboy/telegram-action@master"
+  secrets = [
+    "TELEGRAM_TOKEN",
+    "TELEGRAM_TO",
+  ]
+  args = "Hello World"
+}

README.md

@@ -1,3 +1,16 @@
 # 🚀 Telegram for GitHub Actions
 
 [GitHub Action](https://developer.github.com/actions/) for sending a Telegram notification message.
+
+## Usage
+
+```
+action "Post message to Telegram" {
+  uses = "appleboy/telegram-action@master"
+  secrets = [
+    "TELEGRAM_TOKEN",
+    "TELEGRAM_TO",
+  ]
+  args = "Hello World"
+}
+```