Merge pull request #517 from AleoHQ/feat/readme

Update Leo package README with a simple build guide

package/README.md

@@ -0,0 +1,5 @@
+# leo-package
+
+This module defines the structure of a Leo project package.
+
+Each file in this directory mirrors a corresponding file generated in a new Leo project package.

package/src/root/readme.rs

@@ -58,6 +58,29 @@ impl README {
     }
 
     fn template(&self) -> String {
-        format!("# {}\n", self.package_name)
+        format!(
+            r"# {}
+
+## Build Guide
+
+To compile this Leo program, run:
+```
+leo build
+```
+
+To test this Leo program, run:
+```
+leo test
+```
+
+## Development
+
+To output the number of constraints, run:
+```
+leo build -d
+```
+",
+            self.package_name
+        )
     }
 }