chore: correct readme and build command output

Makefile

@@ -2,7 +2,7 @@
 
 build:
 	@echo Building...
-	@go build -o ./cli-plugin-network .
+	@go build -o ./cli-plugin-network.app .
 
 ## mocks: generate mocks
 mocks:

README.md

@@ -1,20 +1,20 @@
 # cli-plugin-network
 
-`cli-plugin-network` is a plugin developed for [Ignite CLI](https://github.com/ignite/cli).
+`cli-plugin-network` is an app developed for [Ignite CLI](https://github.com/ignite/cli).
 
-The plugin adds `ignite network` commands that allow launching new Cosmos blockchains by interacting with the Ignite Chain to coordinate with validators.
+The Ignite App adds `ignite network` commands that allow launching new Cosmos blockchains by interacting with the Ignite Chain to coordinate with validators.
 
-The plugin is integrated into Ignite CLI by default.
+The app is installed into Ignite CLI by default.
 
 [**Check out our documentation for launching chains with the commands**](https://docs.ignite.com/nightly/network/introduction)
 
 ## Developer instruction
 
-- clone this repo locally
-- Run `ignite plugin add -g /absolute/path/to/cli-plugin-network` to add the plugin to global config
-- `ignite network` command is now available with the local version of the plugin.
+- Clone this repo locally
+- Run `ignite app install -g /absolute/path/to/cli-plugin-network` to add the app to global config
+- The `ignite network` command is now available with the local version of the app
 
 Then repeat the following loop:
 
 - Hack on the plugin code
-- Rerun `ignite network` to recompile the plugin and test
+- Rerun `ignite network` to automatically recompile the app and test