Update branches docs and build examples

- Use branch directly by default
- Attempt automatic merge if desired
  - If conflicts
    - Build from branch directly
    - Request rebase from maintainer

.github/workflows/build-example-mousekeyspr.yml

@@ -1,4 +1,4 @@
-# Copyright 2023 Manna Harbour
+# Copyright 2024 Manna Harbour
 # https://github.com/manna-harbour/miryoku
 
 name: 'Build Example mousekeyspr'
@@ -11,4 +11,4 @@ jobs:
       board: '["nice_nano"]'
       shield: '["corne_left"]'
       custom_config: '["#define MIRYOKU_KLUDGE_MOUSEKEYSPR"]'
-      branches: '["zmkfirmware/zmk/main caksoylar/zmk/feat/mouse-keys-3.2"]'
+      branches: '["caksoylar/zmk/feat/mouse-keys-3.2","zmkfirmware/zmk/main caksoylar/zmk/feat/mouse-keys-3.2"]'

.github/workflows/build-example-suspend.yml

@@ -11,4 +11,4 @@ jobs:
       board: '["nice_nano"]'
       shield: '["corne_left","corne_right"]'
       custom_config: '["#define MIRYOKU_KLUDGE_SUSPEND"]'
-      branches: '["zmkfirmware/zmk/main manna-harbour/zmk/suspend-test"]'
+      branches: '["manna-harbour/zmk/suspend-test","zmkfirmware/zmk/main manna-harbour/zmk/suspend-test"]'

.github/workflows/build-example-xmk-native_posix_64.yml

@@ -10,4 +10,4 @@ jobs:
     with:
       board: '["native_posix_64"]'
       custom_config: '["#define MIRYOKU_KLUDGE_TAPDELAY"]'
-      branches: '["zmkfirmware/zmk/main petejohanson/zmk/shell/tap-command"]'
+      branches: '["petejohanson/zmk/shell/tap-command","zmkfirmware/zmk/main petejohanson/zmk/shell/tap-command"]'

.github/workflows/build-example-xmk-xmk.yml

@@ -10,4 +10,4 @@ jobs:
     with:
       board: '["nice_nano_v2"]'
       shield: '["xmk"]'
-      branches: '["zmkfirmware/zmk/main petejohanson/zmk/shell/tap-command"]'
+      branches: '["petejohanson/zmk/shell/tap-command","zmkfirmware/zmk/main petejohanson/zmk/shell/tap-command"]'