Yaml file configuration and OAuth setting for connection

question1) How to setup the OAuth connection for Snowflake?

question2) This is my Yaml file and and i facing error while running the job:
Error code:
1 Warning

------------------------------------------------------------

Invoke dbt Command

------------------------------------------------------------

dbt source freshness

``

20:33:04 Running dbt...

20:33:05 [WARNING]: Configuration paths exist in your dbt_project.yml file which do not apply to any resources.

There are 3 unused configuration paths:

- models.Raw_Cusotmer.sql

- models.Raw_Order.sql

- models.Raw_Product.sql

20:33:05 Found 8 models, 3 sources, 601 macros

20:33:05

20:33:05 Nothing to do. Try checking your model configs and model specification args

20:33:06 Done.

Some example code or error messages

# Name your project! Project names should contain only lowercase characters
# and underscores. A good package name should reflect your organization's
# name or the intended use of these models
name: "DBT_sample"
version: "1.0.0"
config-version: 2

# This setting configures which "profile" dbt uses for this project.
profile: "default"

# These configurations specify where dbt should look for different types of files.
model-paths: ["models"]
analysis-paths: ["analyses"]
test-paths: ["tests"]
seed-paths: ["seeds"]
macro-paths: ["macros"]
snapshot-paths: ["snapshots"]

target-path: "target" # directory which will store compiled SQL files
clean-targets: # directories to be removed by `dbt clean`
  - "target"
  - "dbt_packages"

# Configuring models
models:
  DBT_sample:
    RAW:
      Raw_Product:
        +materialized: "table"
      Raw_Order:
        +materialized: "table"
      Raw_Customer:
        +materialized: "table"

Help please!

could someone help on this?

Note: @ughanthisridhar originally posted this reply in Slack. It might not have transferred perfectly.