pamtoqoi, pbmtozinc, ppmtoarbtxt, qoitopam, rawtopgm, rawtoppm: add pages (#11401)

pages/common/pamtoqoi.md

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+# pamtoqoi
+
+> Convert a Netpbm image to a QOI image (Quite OK Image format).
+> More information: <https://netpbm.sourceforge.net/doc/pamtoqoi.html>.
+
+- Convert a Netpbm image to the QOI format:
+
+`pamtoqoi {{path/to/image.pnm}} > {{path/to/output.qoi}}`

pages/common/pbmtozinc.md

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+# pbmtozinc
+
+> Convert a PBM image to a Zinc bitmap as used by the Zinc Interface Library Version 1.0.
+> More information: <https://netpbm.sourceforge.net/doc/pbmtozinc.html>.
+
+- Convert a PBM image to a Zinc bitmap:
+
+`pbmtozinc {{path/to/image.pbm}} > {{path/to/output.zinc}}`

pages/common/ppmtoarbtxt.md

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+# ppmtoarbtxt
+
+> Convert a PPM image to an arbitrary text format according to a template.
+> More information: <https://netpbm.sourceforge.net/doc/ppmtoarbtxt.html>.
+
+- Convert a PPM image to text as specified by the given template:
+
+`ppmtoarbtxt {{path/to/template}} {{path/to/image.ppm}} > {{path/to/output_file.txt}}`
+
+- Convert a PPM image to text as specified by the given template, prepend the contents of the specified head template:
+
+`ppmtoarbtxt {{path/to/template}} -hd {{path/to/head_template}} {{path/to/image.ppm}} > {{path/to/output_file.txt}}`
+
+- Convert a PPM image to text as specified by the given template, append the contents of the specified tail template:
+
+`ppmtoarbtxt {{path/to/template}} -hd {{path/to/tail_template}} {{path/to/image.ppm}} > {{path/to/output_file.txt}}`
+
+- Display version:
+
+`ppmtoarbtxt -version`

pages/common/qoitopam.md

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+# qoitopam
+
+> Convert a QOI image (Quite OK Image format) to Netpbm.
+> More information: <https://netpbm.sourceforge.net/doc/qoitopam.html>.
+
+- Convert a QOI image to Netpbm:
+
+`qoitopam {{path/to/image.qoi}} > {{path/to/output.pnm}}`

pages/common/rawtopgm.md

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+# rawtopgm
+
+> Convert a raw greyscale image to a PGM image.
+> More information: <https://netpbm.sourceforge.net/doc/rawtopgm.html>.
+
+- Convert a raw greyscale image to a PGM image:
+
+`rawtopgm {{width}} {{height}} {{path/to/image.raw}} > {{path/to/output.pgm}}`
+
+- Convert a raw greyscale image to a PGM image, assume the image to be a square:
+
+`rawtopgm {{path/to/image.raw}} > {{path/to/output.pgm}}`
+
+- Convert a raw greyscale image in which the pixels come bottom-first instead of top-first to a PGM image:
+
+`rawtopgm {{width}} {{height}} -bottomfirst {{path/to/image.raw}} > {{path/to/output.pgm}}`
+
+- Ignore the first n bytes of the specified file:
+
+`rawtopgm {{width}} {{height}} -headerskip {{n}} {{path/to/image.raw}} > {{path/to/output.pgm}}`
+
+- Ignore the last m bytes of each row in the specified file:
+
+`rawtopgm {{width}} {{height}} -rowskip {{m}} {{path/to/image.raw}} > {{path/to/output.pgm}}`
+
+- Specify the maxval for the grey values in the input to be equal to N:
+
+`rawtopgm {{width}} {{height}} -maxval {{N}} {{path/to/image.raw}} > {{path/to/output.pgm}}`
+
+- Specify the number of bytes that represent each sample in the input and that the byte-sequence is to be interpreted as little-endian:
+
+`rawtopgm {{width}} {{height}} -bpp {{1|2}} -littleendian {{path/to/image.raw}} > {{path/to/output.pgm}}`

pages/common/rawtoppm.md

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+# rawtoppm
+
+> Convert a raw RGB stream to a PPM image.
+> More information: <https://netpbm.sourceforge.net/doc/rawtoppm.html>.
+
+- Convert a raw RGB stream to a PPM image:
+
+`rawtoppm {{width}} {{height}} {{path/to/image.raw}} > {{path/to/output.ppm}}`
+
+- Convert a raw RGB stream in which the pixels come bottom-first instead of top-first to a PPM image:
+
+`rawtoppm {{width}} {{height}} {{path/to/image.raw}} | pamflip -tb > {{path/to/output.ppm}}`
+
+- Ignore the first n bytes of the specified file:
+
+`rawtoppm {{width}} {{height}} -headerskip {{n}} {{path/to/image.raw}} > {{path/to/output.ppm}}`
+
+- Ignore the last m bytes of each row in the specified file:
+
+`rawtoppm {{width}} {{height}} -rowskip {{m}} {{path/to/image.raw}} > {{path/to/output.ppm}}`
+
+- Specify the order of color components for each pixel:
+
+`rawtoppm {{width}} {{height}} -{{rgb|rbg|grb|gbr|brg|bgr}} {{path/to/image.raw}} > {{path/to/output.ppm}}`