first implementation of excel documentation

[pep8speaks]

Hello @AdrianCabreraPhi! Thanks for opening this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file flame/documentation.py:

Line 401:5: E301 expected 1 blank line, found 0 Line 401:18: E211 whitespace before '(' Line 401:24: E231 missing whitespace after ',' Line 402:13: E117 over-indented (comment) Line 403:13: E117 over-indented (comment) Line 404:13: E117 over-indented Line 405:45: E231 missing whitespace after ',' Line 405:56: E231 missing whitespace after ',' Line 407:28: W291 trailing whitespace Line 408:27: W291 trailing whitespace Line 409:45: W291 trailing whitespace Line 413:45: E231 missing whitespace after ',' Line 413:53: E231 missing whitespace after ',' Line 414:58: E231 missing whitespace after ',' Line 420:80: E501 line too long (89 > 79 characters) Line 421:53: E231 missing whitespace after ',' Line 421:80: E501 line too long (164 > 79 characters) Line 422:80: E501 line too long (92 > 79 characters) Line 423:25: E128 continuation line under-indented for visual indent Line 423:80: E501 line too long (94 > 79 characters) Line 424:25: E128 continuation line under-indented for visual indent Line 424:39: W291 trailing whitespace Line 425:50: E231 missing whitespace after ',' Line 425:80: E501 line too long (112 > 79 characters) Line 426:25: E128 continuation line under-indented for visual indent Line 426:80: E501 line too long (83 > 79 characters) Line 427:25: E128 continuation line under-indented for visual indent Line 427:80: E501 line too long (96 > 79 characters) Line 428:25: E128 continuation line under-indented for visual indent Line 429:45: E231 missing whitespace after ',' Line 429:80: E501 line too long (109 > 79 characters) Line 430:25: E128 continuation line under-indented for visual indent Line 430:80: E501 line too long (94 > 79 characters) Line 430:95: W291 trailing whitespace Line 431:25: E128 continuation line under-indented for visual indent Line 431:80: E501 line too long (102 > 79 characters) Line 432:25: E128 continuation line under-indented for visual indent Line 432:80: E501 line too long (90 > 79 characters) Line 435:13: E303 too many blank lines (2) Line 437:1: W293 blank line contains whitespace Line 439:45: E231 missing whitespace after ',' Line 445:31: E225 missing whitespace around operator Line 446:25: E265 block comment should start with '# ' Line 446:80: E501 line too long (80 > 79 characters) Line 448:25: E266 too many leading '#' for block comment Line 449:25: E266 too many leading '#' for block comment Line 453:49: E231 missing whitespace after ',' Line 454:1: W293 blank line contains whitespace Line 456:1: W293 blank line contains whitespace Line 458:64: E231 missing whitespace after ',' Line 461:1: W293 blank line contains whitespace Line 463:59: E231 missing whitespace after ',' Line 474:1: W293 blank line contains whitespace Line 476:79: E231 missing whitespace after ',' Line 476:80: E501 line too long (102 > 79 characters) Line 476:87: E231 missing whitespace after ',' Line 477:1: W293 blank line contains whitespace Line 479:1: W293 blank line contains whitespace Line 480:1: W293 blank line contains whitespace Line 481:37: E303 too many blank lines (2) Line 481:45: E225 missing whitespace around operator Line 482:1: W293 blank line contains whitespace Line 488:75: E231 missing whitespace after ',' Line 488:80: E501 line too long (98 > 79 characters) Line 488:83: E231 missing whitespace after ',' Line 489:1: W293 blank line contains whitespace Line 491:1: W293 blank line contains whitespace Line 492:17: W291 trailing whitespace Line 494:13: E722 do not use bare 'except' Line 496:1: W293 blank line contains whitespace

• In the file flame/manage.py:

Line 525:1: W293 blank line contains whitespace Line 533:24: E231 missing whitespace after ',' Line 533:30: W291 trailing whitespace