Implement the Eq trait for Address (FuelLabs#25)

* Impl Ord for Address

* Fix todo comment

* Fix toml formatting

* Add comment to use meq

* Impl Eq for Address

* Fix formatting

* Remove todo

src/address.sw

@@ -6,7 +6,16 @@ pub struct Address {
     value: b256,
 }
 
-// @todo make this generic when possible
+impl core::ops::Eq for Address {
+    fn eq(self, other: Self) -> bool {
+        // An `Address` in Sway is 32 bytes
+        asm(r1: self, r2: other, result, bytes_to_compare: 32) {
+            meq result r1 r2 bytes_to_compare;
+            result: bool
+        }
+    }
+}
+
 pub trait From {
     fn from(b: b256) -> Self;
 } {