Add io.rst page with Input and Output API references

Author: antonwolfy

doc/reference/io.rst

@@ -0,0 +1,76 @@
+.. currentmodule:: dpnp
+
+Input and output
+================
+
+.. hint:: `NumPy API Reference: Input and output <https://numpy.org/doc/stable/reference/routines.io.html>`_
+
+.. NumPy binary files (npy, npz)
+.. -----------------------------
+.. .. autosummary::
+..    :toctree: generated/
+..    :nosignatures:
+
+..    load
+..    save
+..    savez
+..    savez_compressed
+..    lib.npyio.NpzFile
+
+.. The format of these binary file types is documented in
+.. :py:mod:`numpy.lib.format`
+
+Text files
+----------
+.. autosummary::
+   :toctree: generated/
+   :nosignatures:
+
+   loadtxt
+   savetxt
+   genfromtxt
+   fromregex
+   fromstring
+   ndarray.tofile
+   ndarray.tolist
+
+Raw binary files
+----------------
+
+.. autosummary::
+   :toctree: generated/
+   :nosignatures:
+
+   fromfile
+   ndarray.tofile
+
+.. String formatting
+.. -----------------
+.. .. autosummary::
+..    :toctree: generated/
+..    :nosignatures:
+
+..    array2string
+..    array_repr
+..    array_str
+..    format_float_positional
+..    format_float_scientific
+
+.. Text formatting options
+.. -----------------------
+.. .. autosummary::
+..    :toctree: generated/
+..    :nosignatures:
+
+..    set_printoptions
+..    get_printoptions
+..    printoptions
+
+Base-n representations
+----------------------
+.. autosummary::
+   :toctree: generated/
+   :nosignatures:
+
+   binary_repr
+   base_repr

doc/reference/routines.rst

@@ -18,6 +18,7 @@ These functions cover a subset of
    exceptions
    fft
    functional
+   io
    indexing
    linalg
    logic