added frontend and updated backend with docker, wrote some initial instructions

backend/service/db/dbFeeds.go

@@ -0,0 +1,28 @@
+package db
+
+import (
+	"github.com/pocketbase/dbx"
+	"github.com/pocketbase/pocketbase"
+	"github.com/pocketbase/pocketbase/models"
+	"htwk-planner/model"
+)
+
+func SaveFeed(feed model.Feed, collection *models.Collection, app *pocketbase.PocketBase) (*models.Record, error) {
+	record := models.NewRecord(collection)
+	record.Set("modules", feed.Modules)
+	err := app.Dao().SaveRecord(record)
+
+	if err != nil {
+		return nil, err
+	}
+	return record, nil
+}
+
+func FindFeedByToken(token string, app *pocketbase.PocketBase) (*model.Feed, error) {
+	var feed model.Feed
+	err := app.Dao().DB().Select("*").From("feeds").Where(dbx.NewExp("id = {:id}", dbx.Params{"id": token})).One(&feed)
+	if err != nil {
+		return nil, err
+	}
+	return &feed, err
+}