Add scss colors into rust via build-script, flesh out math evaluation in launcher, Restructure some code

src/lib.rs

@@ -0,0 +1,31 @@
+use std::fmt::{Display, Formatter};
+use std::str::FromStr;
+
+pub mod config;
+pub mod theme;
+
+pub const SOCKET_PATH: &str = "/run/user/1000/jmb-bar.sock";
+
+#[derive(Clone, Debug)]
+pub enum ControlCommand {
+    OpenRunMenu,
+}
+
+impl Display for ControlCommand {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        match self {
+            ControlCommand::OpenRunMenu => f.write_str("menu"),
+        }
+    }
+}
+
+impl FromStr for ControlCommand {
+    type Err = String;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        match s {
+            "menu" => Ok(ControlCommand::OpenRunMenu),
+            other => Err(format!("Unknown command: {other}")),
+        }
+    }
+}