nodeinfo: Add basics

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "acrate-nodeinfo/nodeinfo"]
+	path = acrate-nodeinfo/spec
+	url = https://github.com/jhass/nodeinfo.git

acrate-nodeinfo/Cargo.toml

@@ -4,7 +4,10 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+acrate-hostmeta = { version = "0.1.0", path = "../acrate-hostmeta" }
 log = "0.4.22"
+reqwest = { version = "0.12.9", features = ["json", "stream"] }
+serde = { version = "1.0.214", features = ["derive"] }
 
 [dev-dependencies]
 pretty_env_logger = "0.5.0"

acrate-nodeinfo/spec

@@ -0,0 +1 @@
+Subproject commit 1ad645d23cce892dbb6fbaf349760dfb0f1aeaa1

acrate-nodeinfo/src/lib.rs

@@ -1,14 +1,3 @@
-pub fn add(left: u64, right: u64) -> u64 {
-    left + right
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn it_works() {
-        let result = add(2, 2);
-        assert_eq!(result, 4);
-    }
-}
+//! Serde-based [NodeInfo] parser.
+//! 
+//! [NodeInfo]: https://github.com/jhass/nodeinfo/blob/main/PROTOCOL.md