Add serde derive macros where applicable

[JulianSchmid]

No description provided.

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +0.28 🎉

Comparison is base (4b6e0b6) 99.29% compared to head (ace6da1) 99.58%.

❗ Current head ace6da1 differs from pull request most recent head 96eb8d7. Consider uploading reports for the commit 96eb8d7 to get more accurate results

Additional details and impacted files

@@ Coverage Diff @@## master #45 +/- ##
==========================================
+ Coverage 99.29% 99.58% +0.28% 
==========================================
Files 142 51 -91 Lines 35230 21910 -13320 ==========================================
- Hits 34980 21818 -13162 + Misses 250 92 -158 

Impacted Files	Coverage Δ
src/internet/ip.rs	100.00% <ø> (ø)
src/internet/ip_authentication.rs	98.52% <0.00%> (ø)
src/internet/ipv4.rs	99.40% <0.00%> (ø)
src/internet/ipv4_extensions.rs	100.00% <ø> (ø)
src/internet/ipv6.rs	100.00% <ø> (ø)
src/internet/ipv6_extensions.rs	100.00% <ø> (ø)
src/internet/ipv6_fragment.rs	100.00% <ø> (ø)
src/internet/ipv6_raw_extension.rs	97.87% <0.00%> (ø)
src/link/ethernet.rs	100.00% <ø> (ø)
src/link/vlan_tagging.rs	100.00% <ø> (ø)
... and 6 more

... and 177 files with indirect coverage changes

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