Add Pipe Directive

[ayami123]

Uncaught Error: Unexpected module 'AppMaterialModule' declared by the module 'AppModule'. Please add a @Pipe/@Directive/@Component annotation. at syntaxError (compiler.js:1021) at compiler.js:10639 at Array.forEach () at CompileMetadataResolver.push../node_modules/@angular/compiler/fesm5/compiler.js.CompileMetadataResolver.getNgModuleMetadata (compiler.js:10621) at JitCompiler.push../node_modules/@angular/compiler/fesm5/compiler.js.JitCompiler._loadModules (compiler.js:23876) at JitCompiler.push../node_modules/@angular/compiler/fesm5/compiler.js.JitCompiler._compileModuleAndComponents (compiler.js:23857) at JitCompiler.push../node_modules/@angular/compiler/fesm5/compiler.js.JitCompiler.compileModuleAsync (compiler.js:23817) at CompilerImpl.push../node_modules/@angular/platform-browser-dynamic/fesm5/platform-browser-dynamic.js.CompilerImpl.compileModuleAsync (platform-browser-dynamic.js:143) at PlatformRef.push../node_modules/@angular/core/fesm5/core.js.PlatformRef.bootstrapModule (core.js:4344) at Module../src/main.ts (main.ts:11)