implemented more stuff along with samples

_examples/run_command/main.go

@@ -0,0 +1,44 @@
+package main
+
+/*
+   This  example  toggles  the   current  terminal  window's  floating
+   state.  Execute  repeatedly to  toggle  between  full and  floating
+   state. Run this from a terminal window to see the effect.
+*/
+
+import (
+	"log"
+
+	"github.com/alecthomas/repr"
+	"github.com/tlinden/i3ipc"
+)
+
+func main() {
+	ipc := i3ipc.NewI3ipc()
+
+	err := ipc.Connect()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// retrieve the sway tree
+	tree, err := ipc.GetTree()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// find the data for the current window
+	focused := tree.FindFocused()
+
+	if focused == nil {
+		log.Fatal("no focused window found")
+	}
+
+	// finally execute  the given commands on it, you  can use any run
+	// command, see sway(5)
+	responses, err := ipc.RunCommand(focused.Id, "floating toggle, border toggle")
+	if err != nil {
+		repr.Println(responses)
+		log.Fatal(err)
+	}
+}