Implement Up Node route

[adi-QTPi]

Adds a new route /admin/nodes/up which starts all the app containers supposed to be on the given worker node running AppMaker.

• Restarts stopped containers.
• Creates the app, if container does not exist.

Request body

{
    "node_ip": "100.114.106.39:4000"
}

[kunalvirwal]

There are many changes required. Take the final changes from Up Node, Down Node and Shift Node branches and raise a new PR for Up Node

[kunalvirwal]

Send this file back to /lib/factory/protos/application/application.proto

[kunalvirwal]

ContainerRquestBody is redundant. Use NameHolder instead.

[kunalvirwal]

Change name of ContainerResponseBody.

[kunalvirwal]

Regenerate protobuff files.

[kunalvirwal]

Document these routes in /docs/content/api/specs/openapi.json with proper API inputs and outputs, and test if docs are running properly on local.

[kunalvirwal]

Remove the downNode route

[kunalvirwal]

Change name of UpNodeRequest to UpNodePayload

[kunalvirwal]

Remove the Response struct. Not needed.

[kunalvirwal]

Remove fmt package. Use the logger package.

[kunalvirwal]

Add a check for whether the provided IP is:

1. A valid IP address.
2. A valid appmaker node.
3. A valid appmaker port.

[kunalvirwal]

Add custom error replies for invalid port or appmaker IP:port using errors.new().

[kunalvirwal]

Fix inconsistent error handling.