Feat/excel (#45)

* add dependency

adding dependency to parse the excel file in the node side

* import file

ability to import file
- add extension
- safeguard file type and size

* user is able to upload json or excel

* chore: extract logic into self contained function

* associate model with version

* test id generation

* parse excel data

* prevent UI crash on bad data

* extract validation into self contained function

* chore: add more tests for bad data

* config: stop from opening browser on start

* fix comma in sample db

* handle corrupt files

* error boundary around main components

* jsdocs

* increase id length

* parse excel time string

* feat: excel parsing

* validate json db before import

* chore: test event validator

* feat: make function to clean convert strings

* chore: test parser

* chore: jsdocs

* fix: bug on upload

prevent bug where the component would prevent upload of same file twice

client/src/common/components/errorBoundary/ErrorBoundary.jsx

@@ -0,0 +1,35 @@
+import React from 'react';
+
+class ErrorBoundary extends React.Component {
+  constructor(props) {
+    super(props);
+    this.state = { error: null, errorInfo: null };
+  }
+
+  static getDerivedStateFromError(error) {
+    // Update state so next render shows fallback UI.
+    return { errorMessage: error.toString() };
+  }
+
+  componentDidCatch(error, info) {
+    this.setState({
+      error: error,
+      errorInfo: info,
+    });
+    // TODO: Log the error to an error reporting service
+    this.logErrorToServices(error.toString(), info.componentStack);
+  }
+
+  // A fake logging service.
+  logErrorToServices = console.log;
+
+  render() {
+    if (this.state.errorMessage) {
+      // You can render any custom fallback UI
+      return <p>:/</p>;
+    }
+    return this.props.children;
+  }
+}
+
+export default ErrorBoundary;