docs: put codevalues in backticks

[codecov[bot]]

Codecov Report

Patch and project coverage have no change.

Comparison is base (6cdd30d) 98.64% compared to head (62f0737) 98.64%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #380 +/- ## ======================================= Coverage 98.64% 98.64% ======================================= Files 222 222 Lines 5739 5739 Branches 1215 1215 ======================================= Hits 5661 5661 Misses 75 75 Partials 3 3 ``` | [Files Changed](https://app.codecov.io/gh/image-js/image-js-typescript/pull/380?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=image-js) | Coverage Δ | | |---|---|---| | [src/Image.ts](https://app.codecov.io/gh/image-js/image-js-typescript/pull/380?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=image-js#diff-c3JjL0ltYWdlLnRz) | `100.00% <ø> (ø)` | | | [src/Mask.ts](https://app.codecov.io/gh/image-js/image-js-typescript/pull/380?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=image-js#diff-c3JjL01hc2sudHM=) | `100.00% <ø> (ø)` | | | [src/align/affineTransfrom/getAffineTransform.ts](https://app.codecov.io/gh/image-js/image-js-typescript/pull/380?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=image-js#diff-c3JjL2FsaWduL2FmZmluZVRyYW5zZnJvbS9nZXRBZmZpbmVUcmFuc2Zvcm0udHM=) | `100.00% <ø> (ø)` | | | [src/align/alignMinDifference.ts](https://app.codecov.io/gh/image-js/image-js-typescript/pull/380?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=image-js#diff-c3JjL2FsaWduL2FsaWduTWluRGlmZmVyZW5jZS50cw==) | `100.00% <ø> (ø)` | | | [src/compare/computeSsim.ts](https://app.codecov.io/gh/image-js/image-js-typescript/pull/380?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=image-js#diff-c3JjL2NvbXBhcmUvY29tcHV0ZVNzaW0udHM=) | `100.00% <ø> (ø)` | | | [src/compare/subtract.ts](https://app.codecov.io/gh/image-js/image-js-typescript/pull/380?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=image-js#diff-c3JjL2NvbXBhcmUvc3VidHJhY3QudHM=) | `100.00% <ø> (ø)` | | | [src/compute/getExtrema.ts](https://app.codecov.io/gh/image-js/image-js-typescript/pull/380?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=image-js#diff-c3JjL2NvbXB1dGUvZ2V0RXh0cmVtYS50cw==) | `100.00% <ø> (ø)` | | | [src/compute/histogram.ts](https://app.codecov.io/gh/image-js/image-js-typescript/pull/380?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=image-js#diff-c3JjL2NvbXB1dGUvaGlzdG9ncmFtLnRz) | `100.00% <ø> (ø)` | | | [src/draw/drawCircleOnImage.ts](https://app.codecov.io/gh/image-js/image-js-typescript/pull/380?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=image-js#diff-c3JjL2RyYXcvZHJhd0NpcmNsZU9uSW1hZ2UudHM=) | `100.00% <ø> (ø)` | | | [src/draw/drawLineOnImage.ts](https://app.codecov.io/gh/image-js/image-js-typescript/pull/380?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=image-js#diff-c3JjL2RyYXcvZHJhd0xpbmVPbkltYWdlLnRz) | `100.00% <ø> (ø)` | | | ... and [73 more](https://app.codecov.io/gh/image-js/image-js-typescript/pull/380?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=image-js) | |

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