Add cantaloupe with grok processor support

cantaloupe/Dockerfile

@@ -0,0 +1,34 @@
+FROM islandora/cantaloupe:3.2.1
+
+RUN apk add --no-cache \
+    gcc \
+    g++ \
+    cmake \
+    make \
+    exiftool \
+    libjpeg-turbo \
+    lcms2-dev \
+    libpng-dev \
+    zstd-dev \
+    tiff-dev \
+    jpeg-dev \
+    zlib-dev \
+    libwebp-dev \
+  && git clone https://github.com/GrokImageCompression/grok \
+  && cd grok \
+  && git checkout v12.0.0 \
+  && cmake . \
+  && make install \
+  && apk del \
+    gcc \
+    g++ \
+    cmake \
+    make \
+    exiftool \
+    lcms2-dev \
+    libpng-dev \
+    zstd-dev \
+    tiff-dev \
+    jpeg-dev \
+    zlib-dev \
+    libwebp-dev