feat(finely-crafte-cv): make icon header user defineable

finely-crafted-cv/src/helpers.typ

@@ -1,18 +1,32 @@
 #import "constants.typ":*
 
 #let icon_and_contact(icon, content) = {
-  grid(
-    columns: 2,
-    align: center+horizon,
-    gutter: COMPANY_ICON_SPACING,
+  if icon != none and content != none {
+    grid(
+      columns: 2,
+      align: center+horizon,
+      gutter: COMPANY_ICON_SPACING,
 
+      box(
+        height: HEADER_ICON_HEIGHT,
+        width: auto,
+        icon
+      ),
+      content
+    )
+  }
+}
+
+#let make-icon-header(icon-tuples) = {
+  // what we put between elements
+  let icon-joiner = box(baseline: -0.15em, [#h(0.5em)#sym.divides#h(0.5em)])
+
+  // map them into formatted content, and join
+  icon-tuples.map(((icon, content)) => {
     box(
-      height: HEADER_ICON_HEIGHT,
-      width: auto,
-      image(icon)
-    ),
-    content
-  )
+      icon_and_contact(icon, content)
+    )
+  }).join(icon-joiner)
 }
 
 #let hrule(stroke: 1pt + black) = {