Adding configurable delimiters

[runleonarun]

Closes #4126
Closes #4273

What are you changing in this pull request and why?

• Adding delimiter to https://docs.getdbt.com/reference/seed-configs
• Adding new https://docs.getdbt.com/reference/resource-configs/delimiter

Checklist

• Review the Content style guide and About versioning so my content adheres to these guidelines.
• Add a checklist item for anything that needs to happen before this PR is merged, such as "needs technical review" or "change base branch."

Adding new pages (delete if not applicable):

• Add page to website/sidebars.js
• Provide a unique filename for the new page

Removing or renaming existing pages (delete if not applicable):

• Remove page from website/sidebars.js
• Add an entry website/static/_redirects
• Ran link testing to update the links that point to the deleted page

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Name	Status	Preview	Comments	Updated (UTC)
docs-getdbt-com	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Oct 13, 2023 11:28pm

[graciegoheen]

Looks like some of the examples are a bit mixed up, added some suggested changes!

new review needed

[runleonarun]

@graciegoheen I'm going to go ahead and merge this. Let me know if you want me to follow-up with other changes.

[graciegoheen]

It looks FANTASTIC!! Thanks so much

[salimmoulouel]

Hello, I tried with this configuration and it doesn't accept my delimiter, I have all the fields as a global field

properties.yml

version: 2

seeds:
  - name: test_delimiter
    config:
      delimiter: "|"

test_delimiter.csv
col_a|col_b|col_c
1|2|3
4|5|6

the resut i have is

Runtime Error in seed test_delimiter (seeds/seed_delimiter/test_delimiter.csv)
  Error while reading data, error message: CSV processing encountered too many errors, giving up. Rows: 0; errors: 2; max bad: 0; error percent: 0
  Error while reading data, error message: CSV table references column position 2, but line contains only 1 columns.; line_number: 2 byte_offset_to_start_of_line: 18 column_index: 2 column_name: "col_c" column_type: INT64
  Error while reading data, error message: CSV table references column position 2, but line contains only 1 columns.; line_number: 3 byte_offset_to_start_of_line: 24 column_index: 2 column_name: "col_c" column_type: INT64
  You are loading data without specifying data format, data will be treated as CSV format by default. If this is not what you mean, please specify data format by --source_format.