chore: move build,build_extended logic to lib

[dj8yfo]

builder field in ABI json now looks like this:

...
{
  "schema_version": "0.4.0",
  "metadata": {
    "name": "donation-sample-single-package-no-workspace",
    "version": "0.7.7",
    "build": {
      "compiler": "rustc 1.80.1",
      "builder": "cargo-near cargo-near-build 0.1.0"
    }
  },
...  

---

interop of older 0.6.3 build script with docker image from pr - Cargo.toml
(cargo check runs in Finished dev profile [unoptimized + debuginfo] target(s) in 1m 03s

sha256sum *.wasm
2d4a6cd07d59aeacefd7ed73aa58c106bbf23f0b10dd8f56960944fe785cee90  donation-product.repro-fct-45.testnet.wasm
f2e956ed163039c0f341a5048d9260217d4ec0d685fcf1e497222e4234bb47a5  repro-fct-45.testnet.wasm
2d4a6cd07d59aeacefd7ed73aa58c106bbf23f0b10dd8f56960944fe785cee90  repro-fct-product-45.testnet.wasm

---

interop of newer 0.1.0 cargo-near-build build script (from pr) with older docker image - Cargo.toml

( cargo check runs in Finished dev profile [unoptimized + debuginfo] target(s) in 11.62s)

sha256sum *.wasm
ad162718dd5cd43d46e5fb8db90f59bf777940def53884c4287a8f8b6f16b054  donation-product.repro-fct-46.testnet.wasm
cf5b9dc7c9c01a28fcb2209339f01d91f3edc144a20714626c1087aa9ee23e00  repro-fct-46.testnet.wasm
ad162718dd5cd43d46e5fb8db90f59bf777940def53884c4287a8f8b6f16b054  repro-fct-product-46.testnet.wasm

[dj8yfo]

@race-of-sloths ping

[race-of-sloths]

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Current status: executed

Reviewer	Score
@frol	13

Your contribution is much appreciated with a final score of 13!
You have received 137 (130 base + 5% lifetime bonus) Sloth points for this contribution

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[frol]

@dj8yfo great job! Once we will approach the final stage, we'd need to review all the public structs and functions and minimize their number to keep the public interface minimal

@race-of-sloths score 13