add world-gdp.restbook example with CSV data for text output display example (#59)

RandomFractals · RandomFractals · commit f487f28fe48a · 2021-08-16T18:02:42.000-05:00
diff --git a/notebooks/world-gdp.restbook b/notebooks/world-gdp.restbook
@@ -0,0 +1 @@
+[{"kind":1,"language":"markdown","value":"# World GDP REST Book 📓\r\n\r\nData source: [https://www.kaggle.com/tunguz/country-regional-and-world-gdp](https://www.kaggle.com/tunguz/country-regional-and-world-gdp)","outputs":[]},{"kind":2,"language":"rest-book","value":"GET https://raw.githubusercontent.com/RandomFractals/vscode-data-table/main/data/world-gdp.csv","outputs":[]}]

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	`1`	`+[{"kind":1,"language":"markdown","value":"# World GDP REST Book 📓\r\n\r\nData source: [https://www.kaggle.com/tunguz/country-regional-and-world-gdp](https://www.kaggle.com/tunguz/country-regional-and-world-gdp)","outputs":[]},{"kind":2,"language":"rest-book","value":"GET https://raw.githubusercontent.com/RandomFractals/vscode-data-table/main/data/world-gdp.csv","outputs":[]}]`