chore(deploy): support heroku deployment

Add deploy to Heroku button and add heroku config files

Procfile

@@ -0,0 +1 @@
+web: fsb run

README.md

@@ -24,6 +24,9 @@
   <ol>
     <li>
       <a href="#how-to-make-your-own">How to make your own</a>
+      <ul>
+        <li><a href="#deploy-to-heroku">Deploy to Heroku</a></li>
+      </ul>
       <ul>
         <li><a href="#download-from-releases">Download and run</a></li>
         <li><a href="#run-using-docker-compose">Run via Docker compose</a></li>
@@ -60,6 +63,15 @@
 
 ## How to make your own
 
+### Deploy to Heroku
+Press the below button to fast deploy to Heroku
+
+[![Deploy To Heroku](https://www.herokucdn.com/deploy/button.svg)](https://heroku.com/deploy)
+
+[Click Here](https://devcenter.heroku.com/articles/config-vars#using-the-heroku-dashboard) to know how to edit Variables
+
+<hr>
+
 ### Download from releases
 - Head over to [releases](https://github.com/EverythingSuckz/TG-FileStreamBot/releases) tab, from the *pre release* section, download the one for your platform and architecture.
 - Extract the zip file to a folder.

app.json

@@ -0,0 +1,54 @@
+{
+    "name": "TG FileStreamBot",
+    "description": "Stream Telegram files to web",
+    "keywords": [
+        "telegram",
+        "web",
+        "go",
+        "gola",
+        "FileToLink",
+        "TG-FileStreamBot"
+    ],
+    "repository": "https://github.com/EverythingSuckz/TG-FileStreamBot",
+    "logo": "https://telegra.ph/file/a8bb3f6b334ad1200ddb4.png",
+    "env": {
+        "API_ID": {
+            "description": "Get this value from https://my.telegram.org"
+        },
+        "API_HASH": {
+            "description": "Get this value from https://my.telegram.org"
+        },
+        "BOT_TOKEN": {
+            "description": "Get this value from @BotFather"
+        },
+        "LOG_CHANNEL": {
+            "description": "channel ID for the log channel where the bot will forward media messages and store these files"
+        },
+        "HOST": {
+            "description": "A Fully Qualified Domain Name or Heroku App URL. (eg. https://example.herokuapp.com). Update it After Deploying the Bot",
+            "required": false
+        },
+        "HASH_LENGTH": {
+            "description": "Custom hash length for generated URLs. The hash length must be greater than 5 and less than or equal to 32. Default to 6",
+            "value": "6",
+            "required": false
+        },
+        "USE_SESSION_FILE": {
+            "description": "Use session files for worker client(s). This speeds up the worker bot startups. default to false",
+            "required": false
+        },
+        "USER_SESSION": {
+            "description": "A pyrogram session string for a user bot. Used for auto adding the bots to LOG_CHANNEL. Default to null",
+            "required": false
+        }
+    },
+    "buildpacks": [{
+        "url": "heroku/go"
+      }],
+    "formation": {
+        "web": {
+            "quantity": 1,
+            "size": "Eco"
+        }
+    }
+}