Move more apps + language module (#1643)

* CoasterP to ext (Burger pager)
* LGE to ext app
* Solve compiler literal removal with centralizing common string literals.

firmware/common/ui_language.cpp

@@ -0,0 +1,18 @@
+#include "ui_language.hpp"
+
+const char* LanguageHelper::englishMessages[] = {"OK", "Cancel", "Error", "Modem setup", "Debug", "Log", "Done", "Start", "Stop", "Scan", "Clear", "Ready", "Data:"};
+
+const char** LanguageHelper::currentMessages = englishMessages;
+
+void LanguageHelper::setLanguage(LanguageList lang) {
+    switch (lang) {
+        default:
+        case ENGLISH:
+            currentMessages = englishMessages;
+            break;
+    }
+}
+
+const char* LanguageHelper::getMessage(LangConsts msg) {
+    return currentMessages[msg];
+}

firmware/common/ui_language.hpp

@@ -0,0 +1,34 @@
+#ifndef __UI_LANGUAGE_H__
+#define __UI_LANGUAGE_H__
+
+enum LanguageList {
+    ENGLISH,
+};
+
+enum LangConsts {
+    LANG_OK,
+    LANG_CANCEL,
+    LANG_ERROR,
+    LANG_MODEM_SETUP,
+    LANG_DEBUG,
+    LANG_LOG,
+    LANG_DONE,
+    LANG_START,
+    LANG_STOP,
+    LANG_SCAN,
+    LANG_CLEAR,
+    LANG_READY,
+    LANG_DATADP
+};
+
+class LanguageHelper {
+   public:
+    static void setLanguage(LanguageList lang);
+    static const char* getMessage(LangConsts msg);
+    static const char** currentMessages;  // expose, so can link directly too
+
+   private:
+    static const char* englishMessages[];
+};
+
+#endif