Add scalafmt

Author: pomadchin

.scalafmt.conf

@@ -1,16 +1,11 @@
-maxColumn = 138
+version = 3.0.3
+runner.dialect = scala212
+indent.main = 2
+indent.significant = 2
+maxColumn = 150
 continuationIndent.defnSite = 2
-binPack.parentConstructors = true
-binPack.literalArgumentLists = false
-newlines.penalizeSingleSelectMultiArgList = false
-newlines.sometimesBeforeColonInMethodReturnType = false
-align.openParenCallSite = false
-align.openParenDefnSite = false
-docstrings = JavaDoc
-rewriteTokens {
-  "=>" = "=>"
-  "←" = "<-"
-}
-optIn.selfAnnotationNewline = false
-optIn.breakChainOnFirstMethodDot = true
-importSelectors = BinPack
+assumeStandardLibraryStripMargin = true
+danglingParentheses.preset = true
+rewrite.rules = [SortImports, RedundantBraces, RedundantParens, SortModifiers]
+docstrings.style = Asterisk
+# align.preset = more

project/plugins.sbt

@@ -1,19 +1,20 @@
 logLevel := sbt.Level.Error
 
 addDependencyTreePlugin
-addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "1.0.0")
-addSbtPlugin("com.eed3si9n" % "sbt-buildinfo" % "0.7.0")
-addSbtPlugin("de.heikoseeberger" % "sbt-header" % "3.0.2")
-addSbtPlugin("com.typesafe.sbt" % "sbt-ghpages" % "0.6.2")
-addSbtPlugin("com.typesafe.sbt" % "sbt-site" % "1.3.2")
-addSbtPlugin("com.lightbend.paradox" % "sbt-paradox" % "0.5.5")
-addSbtPlugin("io.github.jonas" % "sbt-paradox-material-theme" % "0.6.0")
-addSbtPlugin("pl.project13.scala" % "sbt-jmh" % "0.3.6")
-addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "2.1")
-addSbtPlugin("com.jsuereth" % "sbt-pgp" % "1.1.1")
-addSbtPlugin("com.eed3si9n" % "sbt-unidoc" % "0.4.1")
-addSbtPlugin("net.vonbuchholtz" % "sbt-dependency-check" % "0.2.10")
-addSbtPlugin("com.github.gseitz" %% "sbt-release" % "1.0.9")
-addSbtPlugin("com.typesafe.sbt" % "sbt-native-packager" % "1.3.19")
-addSbtPlugin("org.scoverage" % "sbt-scoverage" % "1.6.0")
-addSbtPlugin("com.typesafe.sbt" % "sbt-git" % "1.0.0")
+addSbtPlugin("com.eed3si9n"          % "sbt-assembly"               % "1.0.0")
+addSbtPlugin("com.eed3si9n"          % "sbt-buildinfo"              % "0.7.0")
+addSbtPlugin("de.heikoseeberger"     % "sbt-header"                 % "3.0.2")
+addSbtPlugin("com.typesafe.sbt"      % "sbt-ghpages"                % "0.6.2")
+addSbtPlugin("com.typesafe.sbt"      % "sbt-site"                   % "1.3.2")
+addSbtPlugin("com.lightbend.paradox" % "sbt-paradox"                % "0.5.5")
+addSbtPlugin("io.github.jonas"       % "sbt-paradox-material-theme" % "0.6.0")
+addSbtPlugin("pl.project13.scala"    % "sbt-jmh"                    % "0.3.6")
+addSbtPlugin("org.xerial.sbt"        % "sbt-sonatype"               % "2.1")
+addSbtPlugin("com.jsuereth"          % "sbt-pgp"                    % "1.1.1")
+addSbtPlugin("com.eed3si9n"          % "sbt-unidoc"                 % "0.4.1")
+addSbtPlugin("net.vonbuchholtz"      % "sbt-dependency-check"       % "0.2.10")
+addSbtPlugin("com.github.gseitz"    %% "sbt-release"                % "1.0.9")
+addSbtPlugin("com.typesafe.sbt"      % "sbt-native-packager"        % "1.3.19")
+addSbtPlugin("org.scoverage"         % "sbt-scoverage"              % "1.6.0")
+addSbtPlugin("com.typesafe.sbt"      % "sbt-git"                    % "1.0.0")
+addSbtPlugin("org.scalameta"         % "sbt-scalafmt"               % "2.4.3")