Add dataset card with description and usage examples

Add ur_nammu_laws_en.txt

Add twelve_tables_authoritative.txt

Add manu_laws_en.txt

Add magna_carta_authoritative.txt

Add justinian_corpus_en.txt

Add hittite_laws_en.txt

Add hammurabi_laws_en.txt

Add hammurabi_laws_authoritative.txt

Add eshnunna_laws_en.txt

Add us_constitution_en translation

Add magna_carta_en translation

Add hammurabi_en translation

Add english_bill_of_rights_en translation

Add declaration_rights_man_en translation

Add declaration_of_independence_en translation

Add bill_of_rights_en translation

Upload ancient law document images and translations

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