Syntax update (#2660)

* initial commit

* init qmk keymap

* update docs

* update documentation

consolidate readme files; update `make` instructions
revise ascii keymap representation

* update documentation

* edit and update `make` syntax

- `make` syntax update
- fix typo
- add link to teensy video (already linked from online configurator)

* permissions restored

* remove superfluous files from branch

* reset idiosyncratic execute permissions

* reset idiosyncratic execute permission

keyboards/ergodox_ez/readme.md

@@ -10,7 +10,8 @@ Linux page].  Some distributions provide a binary, maybe called
 
 To flash the firmware:
 
-  - Build the firmware with `make keymapname`, for example `make default`
+  - Build the firmware with `make <keyboardname>:<keymapname>`, for example `make ergodox_ez:default`
+
   - This will result in a hex file called `ergodox_ez_keymapname.hex`, e.g.
     `ergodox_ez_default.hex`
 
@@ -19,10 +20,12 @@ To flash the firmware:
   - Load the .hex file into it.
 
   - Press the Reset button by inserting a paperclip gently into the reset hole
-    in the top right corder.
+    in the top right corner.
 
   - Click the button in the Teensy app to download the firmware.
 
+See also [video demonstration](https://www.youtube.com/watch?v=9PyiGUO9_KQ) using Teensy in auto mode.
+
 To flash with ´teensy-loader-cli´:
 
   - Build the firmware with `make keymapname`, for example `make default`