Several improvements: Support move semantic + remove vector in favour of std one + add support for std::string with -D DASH_USE_STL_STRING=1 #168

Job	Run time
arduino package_esp32_index.json	6m 15s
arduino package_esp8266com_index.json	3m 49s
pio:ci-arduino-2:esp32dev	3m 6s
pio:ci-arduino-2:esp32-s2-saola-1	3m 19s
pio:ci-arduino-2:esp32-s3-devkitc-1	3m 14s
pio:ci-arduino-2:esp32-c3-devkitc-02	3m 25s
pio:ci-arduino-3:esp32dev	4m 38s
pio:ci-arduino-3:esp32-s2-saola-1	4m 42s
pio:ci-arduino-3:esp32-s3-devkitc-1	5m 0s
pio:ci-arduino-3:esp32-c3-devkitc-02	4m 20s
pio:ci-arduino-3:esp32-c6-devkitc-1	4m 21s
pio:ci-arduino-310rc1:esp32dev	4m 49s
pio:ci-arduino-310rc1:esp32-s2-saola-1	5m 18s
pio:ci-arduino-310rc1:esp32-s3-devkitc-1	5m 20s
pio:ci-arduino-310rc1:esp32-c3-devkitc-02	4m 47s
pio:ci-arduino-310rc1:esp32-c6-devkitc-1	4m 41s
pio:ci-esp8266:huzzah	3m 13s
pio:ci-esp8266:d1_mini	3m 6s
	1h 17m 23s

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