Format code with JuliaFormatter (#3)

.JuliaFormatter.toml

@@ -0,0 +1 @@
+style="blue"

.github/workflows/Format.yml

@@ -0,0 +1,28 @@
+name: Format
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  format:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@latest
+        with:
+          version: 1
+      - name: Format code
+        run: |
+          using Pkg
+          Pkg.add(; name="JuliaFormatter", uuid="98e50ef6-434e-11e9-1051-2b60c6c9e899")
+          using JuliaFormatter
+          format("."; verbose=true)
+        shell: julia --color=yes {0}
+      - uses: reviewdog/action-suggester@v1
+        if: github.event_name == 'pull_request'
+        with:
+          tool_name: JuliaFormatter
+          fail_on_error: true

src/InferenceDiagnostics.jl

@@ -1,16 +1,16 @@
 module InferenceDiagnostics
 
-import AbstractFFTs
-import DataAPI
-import Distributions
-import MLJModelInterface
-import SpecialFunctions
-import StatsBase
-import Tables
+using AbstractFFTs: AbstractFFTs
+using DataAPI: DataAPI
+using Distributions: Distributions
+using MLJModelInterface: MLJModelInterface
+using SpecialFunctions: SpecialFunctions
+using StatsBase: StatsBase
+using Tables: Tables
 
-import LinearAlgebra
-import Random
-import Statistics
+using LinearAlgebra: LinearAlgebra
+using Random: Random
+using Statistics: Statistics
 
 export discretediag
 export ess_rhat, ESSMethod, FFTESSMethod, BDAESSMethod