docs: Add glossary term references to shutil docs (#115559)

Add glossary term references to shutil docs

Author: brianschubert

Doc/library/shutil.rst

@@ -39,7 +39,7 @@ Directory and files operations
 
 .. function:: copyfileobj(fsrc, fdst[, length])
 
-   Copy the contents of the file-like object *fsrc* to the file-like object *fdst*.
+   Copy the contents of the :term:`file-like object <file object>` *fsrc* to the file-like object *fdst*.
    The integer *length*, if given, is the buffer size. In particular, a negative
    *length* value means to copy the data without looping over the source data in
    chunks; by default the data is read in chunks to avoid uncontrolled memory
@@ -52,7 +52,7 @@ Directory and files operations
 
    Copy the contents (no metadata) of the file named *src* to a file named
    *dst* and return *dst* in the most efficient way possible.
-   *src* and *dst* are path-like objects or path names given as strings.
+   *src* and *dst* are :term:`path-like objects <path-like object>` or path names given as strings.
 
    *dst* must be the complete target file name; look at :func:`~shutil.copy`
    for a copy that accepts a target directory path.  If *src* and *dst*
@@ -94,7 +94,7 @@ Directory and files operations
 .. function:: copymode(src, dst, *, follow_symlinks=True)
 
    Copy the permission bits from *src* to *dst*.  The file contents, owner, and
-   group are unaffected.  *src* and *dst* are path-like objects or path names
+   group are unaffected.  *src* and *dst* are :term:`path-like objects <path-like object>` or path names
    given as strings.
    If *follow_symlinks* is false, and both *src* and *dst* are symbolic links,
    :func:`copymode` will attempt to modify the mode of *dst* itself (rather
@@ -113,7 +113,7 @@ Directory and files operations
    Copy the permission bits, last access time, last modification time, and
    flags from *src* to *dst*.  On Linux, :func:`copystat` also copies the
    "extended attributes" where possible.  The file contents, owner, and
-   group are unaffected.  *src* and *dst* are path-like objects or path
+   group are unaffected.  *src* and *dst* are :term:`path-like objects <path-like object>` or path
    names given as strings.
 
    If *follow_symlinks* is false, and *src* and *dst* both