Harissa-Yogurt Marinated Chicken with Cucumber- Quinoa Salad

Name: Harissa-Yogurt Marinated Chicken with Cucumber- Quinoa Salad
Cuisine: European, Mediterranean, Middle Eastern
Ingredients: ¼ cup avocado oil; 2 tbsp harissa; 2 cloves minced garlic; 7 oz. Greek yogurt (I use 2%); ¼ cup lemon juice; ½ tsp ground coriander; ½ tsp ground cumin; 2 tsp kosher salt; 1 tsp black pepper; 2 pounds boneless (skinless chicken thigh); 1 cup traditional (white quinoa); 1 ½ cups water; 1 ½ cups thinly sliced persian cucumber; ¼ cup chopped dill fronds; ½ cup roughly chopped mint; 2 cloves garlic minced; ¼ cup extra virgin olive oil; 2 tbsp champagne vinegar; 2 tbsp lemon juice; 4 ounces block feta (thinly sliced (can sub for crumbled feta))