add XZ support

add support for decompressing .xz files. Hack implementation that reads entire file during `BlockReader::new`. The crate chosen is written entirely in rust (good). The crate chosen does not expose header information like the uncompressed stream size (bad).
jtmoon79 · Jun 24, 2022 · 607a23c · 607a23c
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commit 607a23c
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diff --git a/Cargo.lock b/Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
@@ -27,6 +27,7 @@ flate2 = "1.0.24"
 itertools = "0.10.3"
 lazy_static = "1.4.0"
 lru = "0.7.7"
+lzma-rs = "0.2.0"
 mime = "0.3.16"
 mime_guess = "2.0.4"
 mime-sniffer = "0.1.2"