[Keyboard] new keyboard lovelive9 (#5266)

* new keyboard lovelive9

* Update keyboards/lovelive9/config.h

thank you

Co-Authored-By: ginjake <hsginjake123@gmail.com>

* Apply suggestions from code review

Co-Authored-By: ginjake <hsginjake123@gmail.com>

* fix review

* fix readme

* move handwired

* Update keyboards/handwired/lovelive9/keymaps/default/keymap.c

thanks

Co-Authored-By: ginjake <hsginjake123@gmail.com>

* Apply suggestions from code review

commit suggestion

Co-Authored-By: ginjake <hsginjake123@gmail.com>

* fix spell miss

* fix review

* fix col and row

* fix layout define

keyboards/handwired/lovelive9/readme.md

@@ -0,0 +1,14 @@
+# lovelive9
+
+lovelive9 is 9keys keyboard.
+
+![lovelive9](https://user-images.githubusercontent.com/16838187/53496102-a6fc0700-3ae4-11e9-85e4-1e6cd981b410.jpg)
+
+Keyboard Maintainer: [ginjake](https://github.com/ginjake) [Twitter:@sirojake](https://twitter.com/sirojake)  
+Hardware Supported: Pro Micro, handwired (LED used [CherryMXLEDBitBoard](https://github.com/swanmatch/MxLEDBitPCB) with handwired)
+
+Make example for this keyboard (after setting up your build environment):
+
+    make handwired/lovelive9:default
+
+See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/n