Add hardcopy of .gitignore to template generator

Author: rvsia

templates/component-mapper/.gitignore

@@ -0,0 +1,95 @@
+# common
+
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+.vscode
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn files
+.yarn-integrity
+yarn.lock
+
+# dotenv environment variables file
+.env
+
+# next.js build output
+.next
+
+# build output
+dist
+vendor
+
+/*
+
+!src
+!src/
+!demo/
+!demo
+!src/*
+!demo/*
+!config
+!.npmignore
+!.gitignore
+!babel.config.js
+!generate-packages.js
+!LICENSE
+!package.json
+!README.md
+!tsconfig.json
+!generate-typings.js
+!rollup.config.js
+!generate-componen-examples.js
+!firebae.json
+!firebaseFunctions.js
+!scripts/
+
+.DS_STORE