Feature: Add Custom Manager Support

[Ephellon]

Things to add

• [x] The "Import Rules" function
• [ ] The "Manager Rules Notation" functionality

Example — SiCKRAGE.json

{
    "SiCKRAGE": {
        "type": "show",
        "api-url": {
            "GET": "{url}home/",
            "add": { "POST": "{api-url}addShows/newShow?apikey={api}&search_string={name}" },
            "find": { "GET": "{api-url}displayShow?apikey={api}&show={tvdb}" },
            "view": { "OPEN": "{:add}" }
        }
    }
}

Originally posted by @Ephellon in https://github.com/SpaceK33z/web-to-plex/issues/14#issuecomment-590653259

[Ephellon]

Why do I do this to myself? Will add to Wiki after v4.2 goes live →

Adding a custom manager (Experimental Feature — v4.2)

Step 1: Go to "Custom Managers" under "Manager Settings"

Step 2: Select "+ Add Custom Manager"

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Adding SiCKRAGE

Step 1: Add SiCKRAGE

Step 2: Edit/verify the Connection Settings

Step 3: Edit/verify the Syntaxes