ZAPD update: libpng, zroom improvements and others (#811)

* git subrepo pull --force tools/ZAPD

subrepo:
  subdir:   "tools/ZAPD"
  merged:   "769f5702a"
upstream:
  origin:   "https://github.com/zeldaret/ZAPD.git"
  branch:   "master"
  commit:   "769f5702a"
git-subrepo:
  version:  "0.4.3"
  origin:   "???"
  commit:   "???"

* Add `libpng` to readme

* Remove `-ifp` since it doesn't exists anymore in ZAPD

* Remove extra print I added

* Add UNK_09 macro and other minor fixes

* Simplify PNG rules

* simplify gitignore

* Update README.md

Co-authored-by: Roman971 <32455037+Roman971@users.noreply.github.com>

* Update dockerfile

* basic instructions for cygwin and mac

* git subrepo pull --force tools/ZAPD

subrepo:
  subdir:   "tools/ZAPD"
  merged:   "86160be69"
upstream:
  origin:   "https://github.com/zeldaret/ZAPD.git"
  branch:   "master"
  commit:   "86160be69"
git-subrepo:
  version:  "0.4.3"
  origin:   "???"
  commit:   "???"

* Change nanoseconds to seconds in extract_assets.py

Co-authored-by: Roman971 <32455037+Roman971@users.noreply.github.com>

Dockerfile

@@ -12,15 +12,10 @@ RUN apt-get update && \
         unzip \
         clang-tidy \
         clang-format \
+        clang-format-11 \
         nano \
-        vbindiff
-
-RUN wget \
-        https://github.com/n64decomp/qemu-irix/releases/download/v2.11-deb/qemu-irix-2.11.0-2169-g32ab296eef_amd64.deb \
-        -O qemu.deb && \
-    echo 8170f37cf03a08cc2d7c1c58f10d650ea0d158f711f6916da9364f6d8c85f741 qemu.deb | sha256sum --check && \
-    dpkg -i qemu.deb && \
-    rm qemu.deb
+        vbindiff \
+        libpng-dev
 
 RUN python3 -m pip install --user colorama ansiwrap attrs watchdog python-Levenshtein
 RUN python3 -m pip install --upgrade attrs pycparser