add demo for paris feature

examples/paris_demo/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "paris_demo"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+simplelog = { path = "../../", features = ["paris"] }

examples/paris_demo/src/main.rs

@@ -0,0 +1,8 @@
+fn main() {
+    simplelog::TermLogger::init(simplelog::LevelFilter::Debug,
+                                simplelog::Config::default(),
+                                simplelog::TerminalMode::Mixed,
+                                simplelog::ColorChoice::Auto).expect("Failed to start simplelog");
+
+    simplelog::info!("I can write <b>bold</b> text or use tags to <red>color it</>");
+}