add handler and appendix page

Signed-off-by: Jeeva Kandasamy <jkandasa@gmail.com>

content/en/docs/appendix/telegram.md

@@ -1,6 +1,52 @@
 ---
-title: "Telegram Helper"
-linkTitle: "Telegram Helper"
+title: "Setup Telegram Bot"
+linkTitle: "Setup Telegram Bot"
 weight: 1
 ---
-TBD
+This document helps to setup your telegram to receive messages from MyController.<br>
+MyController needs a telegram `token` and a `chat id` and/or `group id` to send a messages.<br>
+  * [Create a bot and generate a token](#create-a-telegram-bot)
+  * [Get user `chat id`](#get-user-chat-id)
+  * [Get `group id`](#get-group-chat-id)
+
+## Create a telegram bot
+Open [Telegram messenger](https://telegram.org/apps), sign in to your account or create a new one.
+1. Enter `@Botfather` in the search tab and choose this bot.<br>
+   **Note:** official Telegram bots have a <span style="color:blue">blue checkmark</span> beside their name
+2. Click `START` to activate BotFather bot. In response, you receive a list of commands to manage bots.
+3. Choose or type the `/newbot` command and send it.
+4. Choose a name for your bot. And choose a username for your bot, the bot can be found by its username in searches.
+   The username must be unique and end with the word `bot`
+5. After you choose a suitable name for your bot, the bot is created. You will receive a message with a link to your bot `t.me/<bot_username>`, recommendations to set up a profile picture, description, and a list of commands to manage your new bot.
+6. To connect a bot to MyController you need a token. Copy your token value and add it in to [Telegram handler](/docs/user-interface/operations/handlers/#telegram-handler).
+
+## Get user chat id
+User chat id can be extracted via API or with a supported bot.<br>
+Here the details are given to get `chat id` via `MyController.org bot`<br>
+
+* On your telegram application on the search input enter `mycontroller_org_bot`.<br>
+  You can see `MyController.org bot` bot as shown blow.<br>
+  ![telegram search mycontroller bot](/doc-images/telegram_chat_01_bot_search.png)<br>
+
+* Click on the `START` to get connect with `MyController.org bot`<br>
+  ![telegram start mc bot](/doc-images/telegram_chat_02_mc_bot_start.png)<br>
+
+* `MyController.org bot` info will be as below,<br>
+  ![telegram mc bot info](/doc-images/telegram_chat_03_mc_bot_info.png)<br>
+
+* Send a text `chat id`, you will get a response with your `chat_id`<br>
+  ![telegram get chat id](/doc-images/telegram_chat_04_chat_id.png)<br>
+
+
+## Get group chat id
+Group id can be extracted via API or with a known bot.<br>
+Here the details are given to get group id via `MyController.org bot`<br>
+
+* Open your group and click on `Add members`<br>
+  ![telegram add member](/doc-images/telegram_group_01_add_member.png)<br>
+
+* on the search input type `mycontroller_org` then select `MyController.org bot` and click on `ADD`<br>
+  ![telegram add to group](/doc-images/telegram_group_02_add_mc_bot.png)<br>
+
+* Send a text `chat id`, you will get a response with your `group_id` and `chat_id`<br>
+  ![telegram group id](/doc-images/telegram_group_03_group_id.png)<br>

content/en/docs/user-interface/operations/handlers.md

@@ -53,7 +53,7 @@ spec:
 
 ### Telegram Handler
 Sends telegram message to persons and/or groups.<br>
-[Follow this guide to get the telegram token and chatId](/docs/appendix/telegram/)<br>
+[Follow this guide to get the telegram token, chat_id and group_id](/docs/appendix/telegram/)<br>
 
 ![telegram handler](/doc-images/mc_telegram_handler.png)
 
@@ -67,7 +67,7 @@ spec:
 ```
 1. `type` should be selected as `telegram`
 2. `token` of the telegram account
-3. `chatIds` - list of person or group ids
+3. `chatIds` - list of chat ids or group ids
 
 ### Backup Handler
 Backup handler performs backup operation and keeps the backup archives at the specified target location<br>