chore(crates): introduce new config crate for sprout configuration

crates/config/src/generators/bls.rs

@@ -0,0 +1,21 @@
+use crate::entries::EntryDeclaration;
+use serde::{Deserialize, Serialize};
+
+/// The default path to the BLS directory.
+const BLS_TEMPLATE_PATH: &str = "\\loader";
+
+/// The configuration of the BLS generator.
+/// The BLS uses the Bootloader Specification to produce
+/// entries from an input template.
+#[derive(Serialize, Deserialize, Debug, Default, Clone)]
+pub struct BlsConfiguration {
+    /// The entry to use for as a template.
+    pub entry: EntryDeclaration,
+    /// The path to the BLS directory.
+    #[serde(default = "default_bls_path")]
+    pub path: String,
+}
+
+fn default_bls_path() -> String {
+    BLS_TEMPLATE_PATH.to_string()
+}

crates/config/src/generators/list.rs

@@ -0,0 +1,16 @@
+use crate::entries::EntryDeclaration;
+use serde::{Deserialize, Serialize};
+use std::collections::BTreeMap;
+
+/// List generator configuration.
+/// The list generator produces multiple entries based
+/// on a set of input maps.
+#[derive(Serialize, Deserialize, Debug, Default, Clone)]
+pub struct ListConfiguration {
+    /// The template entry to use for each generated entry.
+    #[serde(default)]
+    pub entry: EntryDeclaration,
+    /// The values to use as the input for the matrix.
+    #[serde(default)]
+    pub values: Vec<BTreeMap<String, String>>,
+}

crates/config/src/generators/matrix.rs

@@ -0,0 +1,16 @@
+use crate::entries::EntryDeclaration;
+use serde::{Deserialize, Serialize};
+use std::collections::BTreeMap;
+
+/// Matrix generator configuration.
+/// The matrix generator produces multiple entries based
+/// on input values multiplicatively.
+#[derive(Serialize, Deserialize, Debug, Default, Clone)]
+pub struct MatrixConfiguration {
+    /// The template entry to use for each generated entry.
+    #[serde(default)]
+    pub entry: EntryDeclaration,
+    /// The values to use as the input for the matrix.
+    #[serde(default)]
+    pub values: BTreeMap<String, Vec<String>>,
+}