prepare init release

README.md

@@ -2,3 +2,55 @@
 
 Rewrite parts of [tidwall/geometry](https://github.com/tidwall/geometry) to Rust
 for [ringsaturn/tzf-rs](https://github.com/ringsaturn/tzf-rs).
+
+```toml
+[dependencies]
+geometry-rs = { git =  "http://github.com/ringsaturn/geometry-rs", tag = "v0.1.0"}
+```
+
+```rust
+use std::vec;
+
+use geometry_rs;
+
+fn main() {
+    let poly = geometry_rs::Polygon::new(
+        vec![
+            geometry_rs::Point {
+                x: 90.48826291293898,
+                y: 45.951129815858565,
+            },
+            geometry_rs::Point {
+                x: 90.48826291293898,
+                y: 27.99437617512571,
+            },
+            geometry_rs::Point {
+                x: 122.83201291294,
+                y: 27.99437617512571,
+            },
+            geometry_rs::Point {
+                x: 122.83201291294,
+                y: 45.951129815858565,
+            },
+            geometry_rs::Point {
+                x: 90.48826291293898,
+                y: 45.951129815858565,
+            },
+        ],
+        vec![],
+    );
+
+    let p_out = geometry_rs::Point {
+        x: 130.74216916294148,
+        y: 37.649011392900306,
+    };
+
+    print!("{:?}\n", poly.contains_point(p_out));
+
+    let p_in = geometry_rs::Point {
+        x: 99.9804504129416,
+        y: 39.70716466970461,
+    };
+    print!("{:?}\n", poly.contains_point(p_in));
+}
+```