Prompt Templates / Preprocessing Prompts

[qaptoR]

In response to my own needs as well as this issue#107 I plan to develop a syntax for defining templates that also doubles as a preprocessor for chat prompts. Thus, templates could be invoked like a codeAgent, or the syntax can be used at any point in a chat buffer.
#107 (comment)

Here is the very loose set of features that I aim to be in parity with for the syntax.
https://docs.text-gen.com/_notes/3-+Templates/02+Template+Writing

for documentation purposes I will link handlebars and liquid documentations to aid in the discussion of what the syntax should look like.
https://handlebarsjs.com
https://shopify.github.io/liquid/

I'm also considering the syntax looking something like [[file:path/to/file]] in such a way that it can recursively expand on links found in nvim-orgmode files. Though if that's the case, we may want to:

• support other markup links,
• or provide a way to implement a function that searches for a syntax and can parse it for the file path.
• We would also want the recursive feature to be able to be turned off
• and/or take a depth parameter,
• and probably even make sure there are no loops by keeping track of all the file paths already expanded.