Fix luzer installation docs

Author: SweetVishnya

README.md

@@ -246,10 +246,8 @@ Triage Jazzer.js crashes with casr-libfuzzer (Jazzer.js installation [guide](htt
 Triage luzer crashes with casr-libfuzzer:
 
     $ unzip casr/tests/casr_tests/lua/xml2lua.zip && cd xml2lua && luarocks --local build && cd .. && rm -rf xml2lua
-    $ git clone https://github.com/azanegin/luzer.git && \
-        cd luzer && git checkout 77642ba37430eded66d171a68d7e9c3f6347d625 && luarocks --local build && cd .. && rm -rf luzer
+    $ luarocks --local install https://gist.githubusercontent.com/ligurio/9743b6c993dabebe5daab721319e1250/raw/4d89cbf031cbd67b52e23dd86e1156f433abbf72/luzer-scm-1.rockspec
     $ eval $(luarocks path)
-    $ mkdir -p casr/tests/tmp_tests_casr/casr_libfuzzer_luzer_out
     $ casr-libfuzzer -i casr/tests/casr_tests/casrep/luzer_crashes_xml2lua -o casr/tests/tmp_tests_casr/casr_libfuzzer_luzer_out -- casr/tests/casr_tests/lua/stdin_parse_xml.lua
 
 Triage LibAFL crashes with casr-libfuzzer:

docs/usage.md

@@ -686,10 +686,8 @@ Jazzer.js example (Jazzer.js installation [guide](https://github.com/CodeIntelli
 Luzer example:
 
     $ unzip casr/tests/casr_tests/lua/xml2lua.zip && cd xml2lua && luarocks --local build && cd .. && rm -rf xml2lua
-    $ git clone https://github.com/azanegin/luzer.git && \
-        cd luzer && git checkout 77642ba37430eded66d171a68d7e9c3f6347d625 && luarocks --local build && cd .. && rm -rf luzer
+    $ luarocks --local install https://gist.githubusercontent.com/ligurio/9743b6c993dabebe5daab721319e1250/raw/4d89cbf031cbd67b52e23dd86e1156f433abbf72/luzer-scm-1.rockspec
     $ eval $(luarocks path)
-    $ mkdir -p casr/tests/tmp_tests_casr/casr_libfuzzer_luzer_out
     $ casr-libfuzzer -i casr/tests/casr_tests/casrep/luzer_crashes_xml2lua -o casr/tests/tmp_tests_casr/casr_libfuzzer_luzer_out -- casr/tests/casr_tests/lua/stdin_parse_xml.lua
 
 LibAFL example: