Add schema

pkg/schema/schema.go

@@ -1,6 +1,37 @@
 package schema
 
+import (
+	"context"
+	"errors"
+	"fmt"
+	"os"
+
+	"gopkg.in/yaml.v3"
+)
+
 type CharSchema struct {
 	Registry string            `json:"registry" yaml:"registry"`
 	Plugins  CharSchemaPlugins `json:"plugins" yaml:"plugins"`
 }
+
+func ParseFile(ctx context.Context, path string) (*CharSchema, error) {
+	if _, err := os.Stat(path); errors.Is(err, os.ErrNotExist) {
+		return nil, fmt.Errorf("could not parse file, as it is not found or permitted: %s", path)
+	}
+
+	file, err := os.ReadFile(path)
+	if err != nil {
+		return nil, fmt.Errorf("could not read file: %w", err)
+	}
+
+	var schema CharSchema
+	if err = yaml.Unmarshal(file, &schema); err != nil {
+		return nil, fmt.Errorf("could not deserialize yaml file into CharSchema: %w", err)
+	}
+
+	return &schema, nil
+}
+
+func (cs *CharSchema) GetPlugins(ctx context.Context) (*PluginOps, error) {
+	return nil, nil
+}