* Specify Einsum-7 operation Signed-off-by: Roman Kazantsev <roman.kazantsev@intel.com> * Finalize specification for Einsum-7 operation Signed-off-by: Roman Kazantsev <roman.kazantsev@intel.com> * Remove duplicate example Signed-off-by: Roman Kazantsev <roman.kazantsev@intel.com> * Update doc headers with Einsum operation Signed-off-by: Roman Kazantsev <roman.kazantsev@intel.com> * Apply comments after the first review: grammar corrections and sentence rephrase Signed-off-by: Roman Kazantsev <roman.kazantsev@intel.com> * Apply feedback from tech-writers and online review Signed-off-by: Roman Kazantsev <roman.kazantsev@intel.com> * Make additional grammar corrections Signed-off-by: Roman Kazantsev <roman.kazantsev@intel.com> * Correct documentation: optimize some sentences, links and examples Signed-off-by: Roman Kazantsev <roman.kazantsev@intel.com> * Support capital letters in equation and implicit mode Signed-off-by: Roman Kazantsev <roman.kazantsev@intel.com>