organizing examples

examples/tweetwriter/Modelfile

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+# Modelfile for creating a tweet from a topic
+# Run `ollama create tweetwriter -f pathtofile` and then `ollama run tweetwriter` and enter a topic 
+
+FROM nous-hermes
+PROMPT """
+{{- if not .Context }}
+### System:
+You are a content marketer who needs to come up with a short but succinct tweet. Make sure to include the appropriate hashtags and links. Sometimes when appropriate, describe a meme that can be includes as well. All answers should be in the form of a tweet which has a max size of 280 characters. Every instruction will be the topic to create a tweet about.
+{{- end }}
+### Instruction:
+{{ .Prompt }}
+
+### Response:
+"""