goimports the svelte lexer, add Svelte to README

Hopefully resolve the conflict!

README.md

@@ -53,7 +53,7 @@ O | Objective-C, OCaml, Octave, OpenSCAD, Org Mode
 P | PacmanConf, Perl, PHP, PHTML, Pig, PkgConfig, PL/pgSQL, plaintext, Pony, PostgreSQL SQL dialect, PostScript, POVRay, PowerShell, Prolog, PromQL, Protocol Buffer, Puppet, Python, Python 3
 Q | QBasic
 R | R, Racket, Ragel, Raku, react, ReasonML, reg, reStructuredText, Rexx, Ruby, Rust
-S | SAS, Sass, Scala, Scheme, Scilab, SCSS, Smalltalk, Smarty, Snobol, Solidity, SPARQL, SQL, SquidConf, Standard ML, Stylus, Swift, SYSTEMD, systemverilog
+S | SAS, Sass, Scala, Scheme, Scilab, SCSS, Smalltalk, Smarty, Snobol, Solidity, SPARQL, SQL, SquidConf, Standard ML, Stylus, Svelte, Swift, SYSTEMD, systemverilog
 T | TableGen, TASM, Tcl, Tcsh, Termcap, Terminfo, Terraform, TeX, Thrift, TOML, TradingView, Transact-SQL, Turing, Turtle, Twig, TypeScript, TypoScript, TypoScriptCssData, TypoScriptHtmlData
 V | VB.net, verilog, VHDL, VimL, vue
 W | WDTE

lexers/s/svelte.go

@@ -28,22 +28,22 @@ func svelteRules() Rules {
 				// Highlight script and style tags based on lang attribute
 				// and allow attributes besides lang
 				`(<\s*(?:script|style).*?lang\s*=\s*['"])` +
-				`(.+?)(['"].*?>)` +
-				`(.+?)` +
-				`(<\s*/\s*(?:script|style)\s*>)`,
+					`(.+?)(['"].*?>)` +
+					`(.+?)` +
+					`(<\s*/\s*(?:script|style)\s*>)`,
 				UsingByGroup(internal.Get, 2, 4, Other, Other, Other, Other, Other),
 				nil,
 			},
 			{
 				// Make sure `{` is not inside script or style tags
 				`(?<!<\s*(?:script|style)(?:(?!(?:script|style)\s*>).)*?)` +
-				`{` +
-				`(?!(?:(?!<\s*(?:script|style)).)*?(?:script|style)\s*>)`,
+					`{` +
+					`(?!(?:(?!<\s*(?:script|style)).)*?(?:script|style)\s*>)`,
 				Punctuation,
 				Push("templates"),
 			},
 			// on:submit|preventDefault
-			{`(?<=\s+on:\w+(?:\|\w+)*)\|(?=\w+)`, Operator , nil},
+			{`(?<=\s+on:\w+(?:\|\w+)*)\|(?=\w+)`, Operator, nil},
 			{`.+?`, Other, nil},
 		},
 		"comment": {