fix: math equation blocks were not left aligned

src/lib.typ

@@ -503,6 +503,11 @@
     // Bibliography citing style
     set bibliography(style: "assets/iso690-numeric-lt.csl")
     
+    // Block equations are left-aligned
+    show math.equation.where(block: true): it => {
+        align(left, it)
+    }
+
     body
 }