[Keyboard] add keyboard wm1 (#7466)

* add new keyborad wm1

* 删除print信息

* add info.json and modified the default keymap.c

* add keyboard name and maintainer in info.json

* add readme.md file for new keyboard

* add default/keymap/readme.md

* modified the main readme file

* change keyboard name from wm1 to wm1_hotswap

* update readme

* update imgur link in readme

* update readme to add more pic and subtopic

* change wm1 keyboard pic to direct show up

* add copyright to config.h

* modified the info.json to change the label

* set the debug config to no in rule.mk

* rename wn1.c wm1.h to wm1_hotswap.c, wm1_hotswap.h

* fix  spelling mistake

* update the rule.mk to new version

* fix the LED operation in wm1_hotswap.c

* delete the definition of kc_trns

* change layout to conform to electrical position

* delete backslashes in keymap.c

* update info.json according to the layout

* change the return of led_update_kb

* delete unused comments in rule.mk

* delete unused definition in wm1_hotswap.h

* add a if statement to support user override func

* fix comment in rules.mk

keyboards/heliar/wm1_hotswap/keymaps/default/readme.md

@@ -0,0 +1,7 @@
+# The default layout 
+## layer 0 keymap
+![Wm1 Layout Image Layer0](https://i.imgur.com/UWQzasE.png)
+## layer 1 keymap
+![Wm1 Layout Image Layer1](https://i.imgur.com/cHOefMH.png)
+## The keycap size of layout
+![Wm1 Layout Image Layout size](https://i.imgur.com/jL1EDod.png)