Add main method to parse a document string

amrbatch/__init__.py

amrbatch/filepath_manager.py

amrbatch/main.py

tests/amrbatch.log

...output/Test-20230314/document-01/document-01.stog.amr.dot

.../output/Test-20230314/document-01/document-01.stog.amr.nt

...put/Test-20230314/document-01/document-01.stog.amr.penman

...output/Test-20230314/document-01/document-01.stog.amr.png

...output/Test-20230314/document-01/document-01.stog.amr.ttl

...output/Test-20230314/document-02/document-02.stog.amr.dot

.../output/Test-20230314/document-02/document-02.stog.amr.nt

...put/Test-20230314/document-02/document-02.stog.amr.penman

...output/Test-20230314/document-02/document-02.stog.amr.png

...output/Test-20230314/document-02/document-02.stog.amr.ttl

tests/output/Test-20230314/document.sentence.txt

tests/output/Test-20230314/test-01/test-01.stog.amr.dot

tests/output/Test-20230314/test-01/test-01.stog.amr.nt

tests/output/Test-20230314/test-01/test-01.stog.amr.penman

tests/output/Test-20230314/test-01/test-01.stog.amr.png

tests/output/Test-20230314/test-01/test-01.stog.amr.ttl