refactor: content tab styling (#7091)

* refactor: managed content card

* fix: update filter pill styling to be chips-like

* fix: modpack exporting

* fixed: vanilla server projs + header

* refactor: filters

* refactor: detect external file icons + other metadata inside

* refactor: support json5 metadata

* fix: qa

* fix: qa

* fix: fmt + prepr

* fix: fmt

* fix: qa

* fix: headers

* feat: locking

* fix: clippy

* fix: qa

* fix: frozen loc

* fix: shared instances diff calc break

* fix: env filter + remove categories

Cargo.toml

@@ -113,6 +113,7 @@ indicatif = "0.18.0"
 itertools = "0.14.0"
 jemalloc_pprof = "0.8.1"
 json-patch = { version = "4.1.0", default-features = false }
+json5 = "1.3.1"
 lettre = { version = "0.11.19", default-features = false, features = [
   "aws-lc-rs",
   "builder",
@@ -224,6 +225,7 @@ tikv-jemallocator = "0.6.0"
 tokio = "1.47.1"
 tokio-stream = "0.1.17"
 tokio-util = "0.7.16"
+toml = "0.9.8"
 totp-rs = "5.7.0"
 tracing = "0.1.41"
 tracing-actix-web = { version = "0.7.19", default-features = false }