Update README.md for the first release

Author: roopeshsn

README.md

@@ -4,6 +4,14 @@ Netmap stands for Network Mapper, a visualizer for your inventory of network dev
 
 Built with love by Roopesh and friends in Go.
 
+## Getting Started
+
+## Install using Go
+
+```
+go install github.com/opennetworktools/netmap
+```
+
 ## Usage
 
 The graph can be created using the command `netmap create`,

cmd/version.go

@@ -15,6 +15,6 @@ var versionCmd = &cobra.Command{
 	Short: "Print the version number of Netmap",
 	Long:  `All software has versions. This is Netmap's`,
 	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Println("netmap v0.0.1 -- HEAD")
+		fmt.Println("netmap v0.1.0 -- HEAD")
 	},
 }

internal/visualizer/graphviz.go

@@ -48,7 +48,7 @@ func SaveTopologyWithGraphviz(ctx context.Context, networkMap *NetworkMap, times
 			fmt.Println("Error creating node:", err)
 			continue
 		}
-		node.SetLabel(utils.TruncateString(device, 3))
+		node.SetLabel(utils.TruncateString(device, 10))
 		node.SetShape(cgraph.EllipseShape)
 		node.SetStyle(cgraph.FilledNodeStyle)
 		nodes[device] = node
@@ -64,7 +64,7 @@ func SaveTopologyWithGraphviz(ctx context.Context, networkMap *NetworkMap, times
 					fmt.Println("Error creating node:", err)
 					continue
 				}
-				node.SetLabel(utils.TruncateString(neighbor, 3))
+				node.SetLabel(utils.TruncateString(neighbor, 10))
 				node.SetShape(cgraph.EllipseShape)
 				node.SetStyle(cgraph.FilledNodeStyle)
 				nodes[neighbor] = node