add(zmd): parse markdown file contents and display the parsed contents

Not everything can be parsed and displayed correctly yet, however this
will the default file format to use for adding page contents (i.e.
normal pages, blog entries, etc.)

src/widget/Header.zig

@@ -33,18 +33,6 @@ pub fn deinit(this: *@This()) void {
 fn fillView(this: *@This()) void {
     this.view.?.clear();
 
-    if (this.path) |path| {
-        for (0..path.len, this.view.?.screen.width / 2 - path.len / 2..) |i, col| {
-            const cell: vaxis.Cell = .{
-                .char = .{ .grapheme = path[i .. i + 1] },
-                .style = .{
-                    .ul_style = .single,
-                },
-            };
-            this.view.?.writeCell(col, 0, cell);
-        }
-    }
-
     const msg = "Yves Biener";
     for (msg, 0..) |_, i| {
         const cell: vaxis.Cell = .{
@@ -58,8 +46,22 @@ fn fillView(this: *@This()) void {
                 .bold = true,
             },
         };
-        this.view.?.writeCell(this.view.?.screen.width - msg.len - 3 + i, 0, cell);
+        this.view.?.writeCell(i + 1, 0, cell);
     }
+
+    if (this.path) |path| {
+        for (0..path.len, this.view.?.screen.width / 2 - path.len / 2..) |i, col| {
+            const cell: vaxis.Cell = .{
+                .char = .{ .grapheme = path[i .. i + 1] },
+                .style = .{
+                    .ul_style = .single,
+                },
+            };
+            this.view.?.writeCell(col, 0, cell);
+        }
+    }
+
+    // TODO: github icon, discord icon, mail icon with corresponding links to contact me
 }
 
 /// Update loop for a given widget to react to the provided `Event`. It may