[Added] index.js to send request to docker pull auto hook

[Added] build with vercel/ncc
[Added] README for documentation

Author: sandip-j

README.md

@@ -0,0 +1,35 @@
+# Docker Pull Auto Action
+Docker pull auto action sends a request to the repository implementation of [docker-pull-auto](https://github.com/codebysandip).  
+This action sends docker image and tag to API `/api/webhook`.
+
+## Inputs
+
+### `docker-image`
+**required** 'docker image. Example sandipj/react-ssr-doc
+
+### `docker-tag`
+**required** docker tag which you just generated. Example latest
+
+### `domain`
+**required** domain on which request will send. Example myawesomeapp.com
+
+### `hook-secret`
+**required** hook secret used to verify request coming from docker pull auto action. [Learn more](https://codebysandip.github.io/docker-pull-auto/how-to-create-hook-secret.html)
+
+### `over-http`
+request will send over http if true. Default false
+
+### `port`
+port on which request will send. Default 443
+
+
+## Example Usage
+```yaml
+- name: Docker Pull Auto
+  uses: actions/docker-pull-auto@v1.0
+  with:
+    docker-image: sandipj/react-ssr-doc
+    docker-tag: prod-1.0
+    domain: myawesomeapp.com
+    hook-secret: my-secret
+```

action.yml

@@ -0,0 +1,24 @@
+name: 'Hello World'
+description: 'Greet someone and record the time'
+inputs:
+  docker-image:
+    description: 'docker image. Example sandipj/react-ssr-doc'
+    required: true
+  docker-tag:
+    description: 'docker tag which you just generated. Example latest'
+    required: true
+  domain:
+    description: 'domain on which request will send'
+    required: true
+  hook-secret:
+    description: 'hook secret used to verify request coming from docker pull auto action'
+    required: true
+  over-http:
+    description: 'request will send over http if true'
+    default: false
+  port:
+    description: 'port on which request will send. Default 443'
+    default: 443
+runs:
+  using: 'node16'
+  main: 'dist/index.js'