feat(trace): improve trace

src/sig.zig

@@ -12,6 +12,7 @@ pub const rpc = @import("rpc/lib.zig");
 pub const shred_collector = @import("shred_collector/lib.zig");
 pub const sync = @import("sync/lib.zig");
 pub const trace = @import("trace/lib.zig");
+pub const trace_ng = @import("trace_ng/lib.zig");
 pub const utils = @import("utils/lib.zig");
 pub const version = @import("version/version.zig");
 pub const time = @import("time/lib.zig");

src/trace_ng/level.zig

@@ -0,0 +1,22 @@
+pub const Level = enum {
+    /// Error: something has gone wrong. This might be recoverable or might
+    /// be followed by the program exiting.
+    err,
+    /// Warning: it is uncertain if something has gone wrong or not, but the
+    /// circumstances would be worth investigating.
+    warn,
+    /// Info: general messages about the state of the program.
+    info,
+    /// Debug: messages only useful for debugging.
+    debug,
+
+    /// Returns a string literal of the given level in full text form.
+    pub fn asText(self: Level) []const u8 {
+        return switch (self) {
+            .err => "error",
+            .warn => "warning",
+            .info => "info",
+            .debug => "debug",
+        };
+    }
+};

src/trace_ng/lib.zig

@@ -0,0 +1,2 @@
+pub const log = @import("log.zig");
+pub const logfmt = @import("logfmt.zig");