Init module inference.py in lib and add tool shacl-1.3.2

lib/inference.py

tools/shacl-1.3.2/LICENSE

tools/shacl-1.3.2/README.md

tools/shacl-1.3.2/bin/shaclinfer.bat

tools/shacl-1.3.2/bin/shaclinfer.sh

tools/shacl-1.3.2/bin/shaclvalidate.bat

tools/shacl-1.3.2/bin/shaclvalidate.sh

tools/shacl-1.3.2/lib/antlr4-runtime-4.5.3.jar

tools/shacl-1.3.2/lib/collection-0.7.jar

tools/shacl-1.3.2/lib/commons-cli-1.4.jar

tools/shacl-1.3.2/lib/commons-codec-1.13.jar

tools/shacl-1.3.2/lib/commons-compress-1.19.jar

tools/shacl-1.3.2/lib/commons-csv-1.7.jar

tools/shacl-1.3.2/lib/commons-io-2.6.jar

tools/shacl-1.3.2/lib/commons-lang3-3.9.jar

tools/shacl-1.3.2/lib/httpclient-4.5.10.jar

tools/shacl-1.3.2/lib/httpclient-cache-4.5.10.jar

tools/shacl-1.3.2/lib/httpcore-4.4.12.jar

tools/shacl-1.3.2/lib/jackson-annotations-2.9.10.jar

tools/shacl-1.3.2/lib/jackson-core-2.9.10.jar