move all user configurable files to shared dir

.gitignore

@@ -10,7 +10,7 @@
 .vscode/.browse.c_cpp.db*
 .clang_complete
 .gcc-flags.json
-src/loraconf.h
-src/ota.conf
+shared/loraconf.h
+shared/ota.conf
 platformio.ini
-src/paxcounter.conf
+shared/paxcounter.conf