add quotes and escapes for necessary filenames

[merelymyself]

Fixes #660.

---

TODO

• Use cargo fmt
• Add necessary tests
• Add changelog entry
• Update default config/theme in README (if applicable)
• Update man page at lsd/doc/lsd.md (if applicable)

[codecov-commenter]

Codecov Report

Merging #746 (6237180) into master (2921543) will increase coverage by 0.02%.
The diff coverage is 91.48%.

@@            Coverage Diff             @@
##           master     #746      +/-   ##
==========================================
+ Coverage   86.99%   87.01%   +0.02%     
==========================================
  Files          41       41              
  Lines        4589     4628      +39     
==========================================
+ Hits         3992     4027      +35     
- Misses        597      601       +4     

Impacted Files	Coverage Δ
src/color/theme.rs	62.57% <ø> (ø)
src/meta/name.rs	90.37% <90.00%> (-0.10%)	⬇️
src/display.rs	84.15% <100.00%> (ø)
src/flags/symlink_arrow.rs	96.00% <0.00%> (ø)

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[meain]

LGTM, thanks for working on this.

[meain]

Code looks good, but there seems to be some possible improvements suggested by clippy. Could you look into them:

I had an old version locally, woops. This should be good, will merge it in as soon as the CI passes.

[merelymyself]

I think those have already been fixed with the latest commits