refactor(config): improve projectConfig file with types

types/projectConfig.ts

@@ -0,0 +1,8 @@
+type PCKeys = 'shortName' | 'longName' | 'description' | 'url' | 'color'
+type PCIconsKeys = 'default' | 'image' | 'apple' | '16_16' | '32_32'
+
+type PCProps = Record<PCKeys, string>
+
+export interface PCDefaultValues extends PCProps {
+  icons: Record<PCIconsKeys, string>
+}