cli: implement the rad remote list command

Implementing the `rad remote list` command in order to be able to
list all the radicle remotes added to the repository

Signed-off-by: Vincenzo Palazzo <vincenzopalazzodev@gmail.com>

radicle-cli/src/commands/remote/list.rs

@@ -0,0 +1,35 @@
+use radicle_term::{Element, Table};
+
+use crate::git;
+use crate::terminal as term;
+
+#[inline]
+fn format_direction(d: &git::Direction) -> String {
+    match d {
+        git::Direction::Fetch => "fetch".to_owned(),
+        git::Direction::Push => "push".to_owned(),
+    }
+}
+
+pub fn run(repo: &git::Repository) -> anyhow::Result<()> {
+    let mut table = Table::default();
+    let remotes = git::rad_remotes(repo)?;
+    for r in remotes {
+        for spec in r.refspecs() {
+            let dir = spec.direction();
+            let url = r.url.clone();
+            let name = r.name.clone();
+            let nid_row = url.namespace.map_or(
+                term::format::dim("This is the canonical upstream".to_string()),
+                |namespace| term::format::highlight(namespace.to_string()),
+            );
+            table.push([
+                term::format::badge_positive(format_direction(&dir)),
+                term::format::highlight(name.to_owned()),
+                nid_row,
+            ]);
+        }
+    }
+    table.print();
+    Ok(())
+}