Customize recommendations (#2592)

* refactored common code in recommendation row
* Implement front page options in config
* Allow customisation from front page
* Rename recommendations to front page
* Add generic UI settings
* Support adding premade filters

Co-authored-by: WithoutPants <53250216+WithoutPants@users.noreply.github.com>

internal/manager/config/map_test.go

@@ -0,0 +1,82 @@
+package config
+
+import (
+	"testing"
+)
+
+func Test_toSnakeCase(t *testing.T) {
+	tests := []struct {
+		name string
+		v    string
+		want string
+	}{
+		{
+			"basic",
+			"basic",
+			"basic",
+		},
+		{
+			"two words",
+			"twoWords",
+			"two_words",
+		},
+		{
+			"three word value",
+			"threeWordValue",
+			"three_word_value",
+		},
+		{
+			"snake case",
+			"snake_case",
+			"snake_case",
+		},
+		{
+			"double capital",
+			"doubleCApital",
+			"double_capital",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := toSnakeCase(tt.v); got != tt.want {
+				t.Errorf("toSnakeCase() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func Test_fromSnakeCase(t *testing.T) {
+	tests := []struct {
+		name string
+		v    string
+		want string
+	}{
+		{
+			"basic",
+			"basic",
+			"basic",
+		},
+		{
+			"two words",
+			"two_words",
+			"twoWords",
+		},
+		{
+			"three word value",
+			"three_word_value",
+			"threeWordValue",
+		},
+		{
+			"camel case",
+			"camelCase",
+			"camelCase",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := fromSnakeCase(tt.v); got != tt.want {
+				t.Errorf("fromSnakeCase() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}