Rename solana-wallet program to just solana (#5604)

* Rename wallet/ to cli/

* Rename the solana-wallet crate to solana-cli

* Rename solana-wallet program to solana

* cargo fmt

cli/src/display.rs

@@ -0,0 +1,11 @@
+use console::style;
+
+// Pretty print a "name value"
+pub fn println_name_value(name: &str, value: &str) {
+    let styled_value = if value == "" {
+        style("(not set)").italic()
+    } else {
+        style(value)
+    };
+    println!("{} {}", style(name).bold(), styled_value);
+}