fixes #19831; add --styleCheck:warning (#25456)

fixes #19831

tests/tools/tlinter_warnings.nim

@@ -0,0 +1,40 @@
+discard """
+  cmd: '''nim c --styleCheck:warning --hints:off $file'''
+  nimout: '''
+tlinter_warnings.nim(25, 1) Warning: 'tyPE' should be: 'type' [User]
+tlinter_warnings.nim(21, 14) Warning: 'nosideeffect' should be: 'noSideEffect' [User]
+tlinter_warnings.nim(21, 28) Warning: 'myown' should be: 'myOwn' [template declared in tlinter_warnings.nim(19, 9)] [User]
+tlinter_warnings.nim(21, 35) Warning: 'inLine' should be: 'inline' [User]
+tlinter_warnings.nim(23, 1) Warning: 'foO' should be: 'foo' [proc declared in tlinter_warnings.nim(21, 6)] [User]
+tlinter_warnings.nim(27, 14) Warning: 'Foo_bar' should be: 'FooBar' [type declared in tlinter_warnings.nim(25, 6)] [User]
+tlinter_warnings.nim(29, 6) Warning: 'someVAR' should be: 'someVar' [var declared in tlinter_warnings.nim(27, 5)] [User]
+tlinter_warnings.nim(32, 7) Warning: 'i_fool' should be: 'iFool' [User]
+tlinter_warnings.nim(39, 5) Warning: 'meh_field' should be: 'mehField' [User]
+'''
+  action: "compile"
+"""
+
+
+
+{.pragma: myOwn.}
+
+proc foo() {.nosideeffect, myown, inLine.} = debugEcho "hi"
+
+foO()
+
+tyPE FooBar = string
+
+var someVar: Foo_bar = "a"
+
+echo someVAR
+
+proc main =
+  var i_fool = 34
+  echo i_fool
+
+main()
+
+type
+  Foo = object
+    meh_field: int
+