Extract rows and apply object embeddings (#42)

* - Restructured the extract directories
- Added an extractor for 'rows' == a row of a table
- Added a row extractor prompt to prompter.
* Add row support to template prompter
* Row extraction working
* Bump version
* Emit extracted info
* Object embeddings store
* Invocation script
* Add script to package, remove cruft output
* Write rows to Cassandra
* Remove output cruft

templates/prompts/openai.jsonnet

@@ -62,6 +62,8 @@ local url = import "../components/url.jsonnet";
                 "Study the following set of knowledge statements. The statements are written in Cypher format that has been extracted from a knowledge graph. Use only the provided set of knowledge statements in your response. Do not speculate if the answer is not found in the provided set of knowledge statements.\n\nHere's the knowledge statements:\n{graph}\n\nUse only the provided knowledge statements to respond to the following:\n{query}\n",
                 "--document-query-template",
                 "Study the following context. Use only the information provided in the context in your response. Do not speculate if the answer is not found in the provided set of knowledge statements.\n\nHere is the context:\n{documents}\n\nUse only the provided knowledge statements to respond to the following:\n{query}\n",
+                "--rows-template",
+                "<instructions>\nStudy the following text and derive objects which match the schema provided.\n\nYou must output an array of JSON objects for each object you discover\nwhich matches the schema.  For each object, output a JSON object whose fields\ncarry the name field specified in the schema.\n</instructions>\n\n<schema>\n{schema}\n</schema>\n\n<text>\n{text}\n</text>\n\n<requirements>\nYou will respond only with raw JSON format data. Do not provide\nexplanations. Do not add markdown formatting or headers or prefixes.\n</requirements>",
 	    ],
             deploy: {
 		resources: {