v0.3.0-beta

[FRACerqueira]

- Added FromUrl(Uri value) command to client-side mode
- Fixed bug in server mode for multi thread safe when there is parameter customization and/or no client mode sending.
    - Moved the BeforePDF(Func<string, TIn?, CancellationToken, Task<string>> inputParam) command to the execution context.
    - Moved the AfterPDF(Func<byte[]?, TIn?, CancellationToken, Task<TOut>> outputParam) command to the execution context.
    - Added command Source(TIn? inputparam = default) to transfer input parameter for server execution context and custom actions and html source.
    - Added Request(string request Client) command to pass the request client data to the server execution context for custom actions and HTML source.
    - Simplified execution commands for server side with execution context with fluid interface comands :
        -  Removed static class RequestHtmlPdf
        -  Added command FromHtml(string html, int converttimeout = 30000, bool minify = true)
        -  Added command FromUrl(Uri value, int converttimeout = 30000)
        -  Added command FromRazor\<T\>(string template, T model, int converttimeout = 30000, bool minify = true)