linter solved

[mamun-ethan]

What does this PR do?

Add resource(s) | Remove resource(s) | Add info | Improve repo

For resources

Description

Why is this valuable (or not)?

How do we know it's really free?

For book lists, is it a book? For course lists, is it a course? etc.

Checklist:

• Read our contributing guidelines.
• Search for duplicates.
• Include author(s) and platform where appropriate.
• Put lists in alphabetical order, correct spacing.
• Add needed indications (PDF, access notes, under construction).
• Used an informative name for this pull request.

Follow-up

• Check the status of GitHub Actions and resolve any reported warnings!

[github-actions]

Linter failed, fix the error(s):

free-programming-books/courses/free-courses-bn.md
    3:1-46:28  warning  Alphabetical ordering: swap l.15 and l.14                              alphabetize-lists  remark-lint
    3:1-46:28  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
  50:1-54:156  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
  58:1-58:130  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
  62:1-68:118  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
  72:1-74:157  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
  78:1-82:134  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
  86:1-87:139  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
  91:1-95:118  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
 99:1-102:115  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
106:1-110:158  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
114:1-118:126  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
122:1-125:131  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
129:1-132:137  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
136:1-141:138  warning  Alphabetical ordering: swap l.141 and l.139                            alphabetize-lists  remark-lint
136:1-141:138  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
147:1-152:150  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
156:1-159:136  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
163:1-167:125  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
171:1-176:124  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
180:1-192:137  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
196:1-200:128  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
204:1-204:146  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
208:1-209:114  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
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237:1-237:146  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
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253:1-255:128  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
259:1-261:199  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
265:1-268:151  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
272:1-272:169  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
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283:1-283:195  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
287:1-290:147  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
294:1-300:132  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
304:1-308:146  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
312:1-313:134  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
317:1-319:124  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
323:1-324:142  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
328:1-332:147  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
336:1-336:121  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint
340:1-342:125  warning  Incorrect number of blank lines between last section and next heading  blank-lines-1-0-2  remark-lint