Add project branding and update README structure

- Add project icon and badges to README
- Update crate description to "The Rust CLI Framework"
- Add table of contents and improve section organization
- Move guide.txt to resources directory and update version reference
- Add example-completion Cargo.lock for new example
- Remove unused main.rs file

2 files changed, 12 insertions, 0 deletions

diff --git a/res/guide.txt b/res/guide.txt
new file mode 100644
index 0000000..4de56b3
--- /dev/null
+++ b/res/guide.txt
@@ -0,0 +1,12 @@
+    ┌────────────────────────────────────┐
+    │              Mingling              │
+    │       The Rust CLI Framework       │
+    │                                    │
+    │ USE:                               │
+    │  Run command in your project       │
+    │   > cargo add mingling             │
+    │                                    │
+    │  Or add this to your Cargo.toml    │
+    │   > mingling = "0.1.5"             │
+    │                                    │
+    └────────────────────────────────────┘
diff --git a/res/icon.png b/res/icon.png
new file mode 100644
index 0000000..4fa4f03
--- /dev/null
+++ b/res/icon.png