updated method for static initialization of Config types

[artech-git]

using once_cell instead of lazy_static block macro for initializing & setting global/local statics

1. Updated Cargo.toml in frontend & backend

2. Applied substitution in place of

   lazy_static! {
       // Load the config and treat it as a read-only static value.
       static ref CONFIG: config::Config = config::Config::parse();
   }

   assignment into the static using Lazy::new() which accepts a function/closure initializer, this is present under once_cell::sync::Lazy

   use once_cell::sync::Lazy;
   // Load the config and treat it as a read-only static value.
   static CONFIG: Lazy<config::Config> = Lazy::new(|| config::Config::parse());

   this modification was applied across multiple files within backend & Frontend folder

[jim-signal]

nit: Here and other places we would prefer the crate to be alphabetically placed in the use list. And one empty line after before the next section.

[artech-git]

Okay I will refactor accordingly, btw can next release contain any CONTRIBUTE.md file for easy instruction about guidelines

[artech-git]

nit: Here and other places we would prefer the crate to be alphabetically placed in the use list. And one empty line after before the next section.

Does this applies to the stuff that we are importing or the start of the crate itself ?

[jim-signal]

Hi @artech-git, thanks for the conversion! Generally it looks great. Pending more review, we'll consider merging it to the next release.