Make the logo in the navbar monochrome

demo/client/html/partials/navbar.html.hbs

@@ -1,6 +1,6 @@
 <nav class="navbar sticky-top navbar-expand-sm navbar-dark bg-dark">
     <a class="navbar-brand" href="/">
-        <img id="pf-navbar-logo" alt="" src="/svg/demo/logo" width="30" class="mr-2">
+        <img id="pf-navbar-logo" alt="" src="/svg/demo/logo-bw" width="30" class="mr-2">
         Pathfinder
     </a>
     <div class="collapse navbar-collapse">

demo/server/src/main.rs

@@ -103,10 +103,11 @@ static BUILTIN_FONTS: [(&'static str, &'static str); 4] = [
     ("inter-ui", "../../resources/fonts/inter-ui/Inter-UI-Regular.ttf"),
 ];
 
-static BUILTIN_SVGS: [(&'static str, &'static str); 3] = [
+static BUILTIN_SVGS: [(&'static str, &'static str); 4] = [
     ("tiger", "../../resources/svg/Ghostscript_Tiger.svg"),
     ("logo", "../../resources/svg/pathfinder_logo.svg"),
     ("icons", "../../resources/svg/material_design_icons.svg"),
+    ("logo-bw", "../../resources/svg/pathfinder_logo_bw.svg"),
 ];
 
 #[derive(Clone, Debug, PartialEq, Eq, Hash)]