Updates to Talljoe's Keymaps (#10115)

* Minor Tweak

* Refactor spacebar defines.

* Add TMO50 layout

* Rename Atreus keymap.

* Refactor Atreus for readability.

* Eliminate tapdance quote and tweak maltroff.

* Factor out tapdance.

* Add some fancy combos and keys.

* Remove combos for now because they cause pain.

* WIP visualizer

* Alternate method for reset

* WIP2 visualizer

* Layer text tweak.

* Add made-up layout Nortron as a combination of Norman and Maltron.

* Add backspace.

* Add Talljoe keymap to Prime E.

* Fix double-colon so it doesn't press enter if shift is released early.

* Use new make command.

* Bring some modern standards into code and add licenses.

* Remove QMK_KEYBOARD_CONFIG_H and fixup QMK_KEYBOARD_H.

* Move from `biton32` to `get_highest_layer`.

* Remove PREVENT_STUCK_MODIFIERS

* Update keyboards/thevankeyboards/minivan/keymaps/talljoe-minivan/config.h

keyboards/tmo50/keymaps/talljoe/keymap.c

@@ -0,0 +1,44 @@
+#include "quantum.h"
+#include "talljoe.h"
+
+bool process_indicator_led_user(uint32_t state){
+  return false;
+}
+
+#define LED_MASK (_BV(PB0) | _BV(PB1) | _BV(PB2) | _BV(PB3))
+#define WHITE (_BV(PB0))
+#define YELLOW (_BV(PB1))
+#define MAGENTA (_BV(PB2))
+#define RED (_BV(PB3))
+
+void matrix_scan_keymap(void) {
+  uint32_t lights = WHITE;
+
+  switch(get_highest_layer(layer_state))
+  {
+    case _NAV:
+      lights |= YELLOW;
+      break;
+    case _NUM:
+      lights |= MAGENTA;
+      break;
+    case _ADJUST:
+      lights |= RED;
+      break;
+    default: {
+      uint8_t default_layer = get_highest_layer(default_layer_state);
+      lights = 0; // no white LED by default.
+      if(default_layer & 1)
+        lights |= YELLOW;
+      if(default_layer & 2)
+        lights |= MAGENTA;
+      if(default_layer & 4)
+        lights |= RED;
+    }
+  }
+
+  uint32_t port = PORTB;
+  port |= LED_MASK;
+  port &= ~lights;
+  PORTB = port;
+}