feat: initial support for segatools pkgs

rust/src/model/local.rs

@@ -1,14 +1,16 @@
-use std::collections::BTreeSet;
+use std::collections::{BTreeMap, BTreeSet};
 use serde::Deserialize;
 use crate::pkg::PkgKeyVersion;
 
 // manifest.json
 
 #[derive(Deserialize)]
-#[allow(dead_code)]
 pub struct PackageManifest {
     pub name: String,
     pub version_number: String,
     pub description: String,
-    pub dependencies: BTreeSet<PkgKeyVersion>
-}
+    pub dependencies: BTreeSet<PkgKeyVersion>,
+
+    #[serde(default)]
+    pub installers: Vec<BTreeMap<String, serde_json::Value>>
+}