v1.0.0 to support LittleFS on RP2040-based boards

### Initial Releases v1.0.0

1. Initial coding to support RP2040-based boards such as **Nano_RP2040_Connect, RASPBERRY_PI_PICO**, etc. using [**Arduino-mbed RP2040** core](https://github.com/arduino/ArduinoCore-mbed)

.gitignore

@@ -0,0 +1,32 @@
+# Prerequisites
+*.d
+
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+*.smod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app