added base code for plugin system

plugin/plugin.go

@@ -0,0 +1,54 @@
+package plugin
+
+import (
+	"git.sr.ht/~akilan1999/p2p-rendering-computation/config"
+	"io/ioutil"
+)
+
+// Plugins Array of all plugins detected
+type Plugins struct {
+	PluginsDetected []*Plugin
+}
+
+// Plugin Information about the plugins available
+type Plugin struct {
+	FolderName         string
+	PluginDescription  string
+}
+
+// DetectPlugins Detects all the plugins available
+func DetectPlugins()(*Plugins,error){
+     config, err:= config.ConfigInit()
+     if err != nil {
+		 return nil,err
+	 }
+		folders, err := ioutil.ReadDir(config.PluginPath)
+		if err != nil {
+			return nil, err
+		}
+
+		var plugins *Plugins = new(Plugins)
+
+		for _, f := range folders {
+			if f.IsDir() {
+				//Declare variable plugin of type Plugin
+				var plugin Plugin
+
+				// Setting name of folder to plugin
+				plugin.FolderName = f.Name()
+				// Getting Description from file description.txt
+				Description, err := ioutil.ReadFile(config.PluginPath + "/" + plugin.FolderName + "/description.txt")
+				// if we os.Open returns an error then handle it
+				if err != nil {
+					return nil, err
+				}
+
+				// Get Description from description.txt
+				plugin.PluginDescription = string(Description)
+
+				plugins.PluginsDetected = append(plugins.PluginsDetected, &plugin)
+			}
+		}
+
+	return plugins,nil
+}