👌 Make user-supplied apps available (#73)

phpmon/Domain/Helpers/Application.swift

@@ -14,7 +14,7 @@ import Foundation
 class Application {
     
     enum AppType {
-        case editor, browser, git_gui, terminal
+        case editor, browser, git_gui, terminal, user_supplied
     }
     
     /// Name of the app. Used for display purposes and to determine `name.app` exists.

phpmon/Domain/Menu/MainMenu+Startup.swift

@@ -51,9 +51,15 @@ extension MainMenu {
         Log.info("Setting up watchers...")
         App.shared.handlePhpConfigWatcher()
         
+        // Detect applications (preset + custom)
         Log.info("Detecting applications...")
-        // Attempt to load list of applications
         App.shared.detectedApplications = Application.detectPresetApplications()
+        let customApps = Preferences.custom.scanApps.map { appName in
+            return Application(appName, .user_supplied)
+        }.filter { app in
+            return app.isInstalled()
+        }
+        App.shared.detectedApplications.append(contentsOf: customApps)
         let appNames = App.shared.detectedApplications.map { app in
             return app.name
         }

phpmon/Domain/Preferences/Preferences.swift

@@ -76,6 +76,10 @@ class Preferences {
         return Self.shared.cachedPreferences
     }
     
+    static var custom: CustomPrefs {
+        return Self.shared.customPreferences
+    }
+    
     /**
      Determine whether a particular preference is enabled.
      - Important: Requires the preference to have a corresponding boolean value, or a fatal error will be thrown.