Fix architecture generation and add enum key of each string in R2String

Sources/ResgenSwift/Strings/Generator/StringsFileGenerator.swift

@@ -111,6 +111,7 @@ class StringsFileGenerator {
     static func getExtensionContent(sections: [Section], defaultLang lang: String, tags: [String], staticVar: Bool, inputFilename: String, extensionName: String) -> String {
         [
             Self.getHeader(stringsFilename: inputFilename, extensionClassname: extensionName),
+            Self.getEnumKey(sections: sections, tags: tags),
             Self.getProperties(sections: sections, defaultLang: lang, tags: tags, staticVar: staticVar),
             Self.getFooter()
         ]
@@ -131,6 +132,29 @@ class StringsFileGenerator {
         """
     }
     
+    private static func getEnumKey(sections: [Section], tags: [String]) -> String {
+        var enumDefinition = "\n    enum Key: String {\n"
+        
+        sections.forEach { section in
+            // Check that at least one string will be generated
+            guard section.hasOneOrMoreMatchingTags(tags: tags) else {
+                return // Go to next section
+            }
+            
+            section.definitions.forEach { definition in
+                guard definition.hasOneOrMoreMatchingTags(inputTags: tags) == true else {
+                    return // Go to next definition
+                }
+                debugPrint("Found definition")
+                enumDefinition += "        case \(definition.name) = \"\(definition.name)\"\n"
+            }
+        }
+        
+        enumDefinition += "    }"
+        
+        return enumDefinition
+    }
+    
     private static func getProperties(sections: [Section], defaultLang lang: String, tags: [String], staticVar: Bool) -> String {
         sections.compactMap { section in
             // Check that at least one string will be generated